PhoenixMiner 5.1c - AMD+NVIDIA GPU Miner [2020]

Building an Ethereum Mining Rig (13 GPU) - 4th part

Third update to the guide "Building a Mining Rig for Ethereum". The absolute first guide to building a RX Vega 64 8gb 13 GPU Mining Rig.
Reading this guide to building a 13 GPU Ethereum mining rig requires adequate knowledge of building and running an Ethereum Mining Rig. We therefore recommend a previous view of our Guide to build a Mining Rig and related updates.

Let's immediately list the hardware used:

- Asus Mining Master X370 mainboard
- Core i5 Coffee Lake CPU
- 480 or 500GB SSD
- 32Gb Ram
- 13 GPU RX Vega 64 8Gb
- 3 x 1000W power supplies
- 1 1200W power supply
- 8Gb USB stick

In this guide we will obviously not explain how to mount the hardware of a Rig. The only notes we wish to underline are the following:

- the 1200W power supply must be the primary one on which to connect 4 GPUs and the video output for the monitor

- all the risers, as well as obviously the GPUs, must be powered through the 8-pole connections of the power supplies. We strongly advise against the use of 6-pole ports. Therefore, have the appropriate number of cables available for all connections. Risers can also be powered in pairs.

- the model of the video card used is the Asus Rog Strixx Gaming RX Vega 64 8Gb


The operating system is Windows 10 updated to the latest version available. The tool for creating installation media is available at the following link https://www.microsoft.com/it-it/software-download/windows10 to be able to use the USB key as a launcher for installing Windows 10 .

With the Asus Mining Master, the GPU risers can be connected directly to the motherboard via the USB cable, thus making one of the small components of the riser kits unusable.

After making all the connections on the motherboard, check that all GPUs are highlighted in green when the PC starts up. If not, move the USB cable on the motherboard one position. It may take at least 2 or 3 attempts.

Ethereum mining with 13 GPUs
Having solved this possible small inconvenience, let's proceed with the installation of the AMD Adrenaline 2020 drivers, always updated to the latest version, relating to the RX Vega Series.

If you want to proceed with more caution, the advice is to disconnect all the GPUs (remembering the locations of the USB cables) except one before installing the drivers.

The mining will be carried out on the Ethermine pool, our favorite, using the Claymore 15 software.


Once the download is complete, you will have to unzip the folder on the desktop and open the start.bat file contained in the Claymore folder using Notepad. The procedure is the usual one: delete the content and copy-paste the following command string:

start config.dll -epool eu1.ethermine.org:14444 -ewal "your ETH wallet address" -epsw x -worker "worker"
EthDcrMiner64.exe

Where EthDcrMiner64.exe is the executable, -epool indicates the pool to mine and its port, -ewal is the wallet address and -epsw is the password that we leave blank (X).

In place of "your wallet address" you will have to put your Ethererum wallet and instead of worker you will enter an identification number in case you plan to build more RIGs (such as RIG1, RIG2, etc ...).

At the following link, many other useful commands for your Rig:
https://github.com/Claymore-Dual/Claymore-Dual-Miner

Try to run mining and check that the system is stable.

In the Payouts section, after a few minutes of mining, you can decide the minimum amount of Ether to be sent to your wallet by simply entering the IP address of the RIG.

We performed the mining directly on the Ethereum address of the Exodus wallet. Coinbase is not supported.

Overclocking with OverdriveNTool
Let's proceed now with the download of OverdrivenTool at the following link: https://forums.guru3d.com/threads/overdriventool-tool-for-amd-gpus.416116/


For those unfamiliar with it, we recommend reading our software guide.

For those who do not intend to experiment or do not completely trust their software experience, at the following link you can view the settings on the parameters of the GPUs and the RAM of the GPUs - and other small tricks - to obtain the best possible performance without forcing the cards too much. video.

On our Youtube channel (subscribe numerous !!!) you will now be able to see the video relating to the start of mining and the one concerning the stabilization phase.

To better cool the Rig we have also installed fans for the extraction of heat as caution is never too much. Moreover, there is also an aesthetic gain.

Conclusions on the guide to build a 13 gpu ethereum mining rig.
Finally, we conclude this guide by reporting what everyone was waiting for (we do not say how long we had to wait before obtaining this result) the video link complhttps: //www.youtube.com/watch? V = k53XZn3zc9I & t = 61seto del Rig e del Mining .

We remain available for any advice, both on pools, on yield and on consumption.

Feel free to contact us in case you run into any problems where our guide to Building a 13 GPU Ethereum Mining Rig has not been completely helpful.

See you soon.


If you liked this article and would like to contribute with a donation:

Bitcoin: 1Ld9b165ZYHZcY9eUQmL9UjwzcphRE5S8Z
Ethereum: 0x8D7E456A11f4D9bB9e6683A5ac52e7DB79DBbEE7
Litecoin: LamSRc1jmwgx5xwDgzZNoXYd6ENczUZViK
Stellar: GBLDIRIQWRZCN5IXPIKYFQOE46OG2SI7AFVWFSLAHK52MVYDGVJ6IXGI
Ripple: rUb8v4wbGWYrtXzUpj7TxCFfUWgfvym9xf

By: cryptoall.it
Telegram Channel: t.me/giulo75
Netbox Browser: https://netbox.global/PZn5A
Horizen Faucet: https://getzen.cash/auth/register?ref=153228
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Top 10 password-cracking techniques commonly used by every hacker

Top 10 password-cracking techniques commonly used by every hacker

10 password-cracking techniques

Do you really think your passwords are secure? Think again

Understanding the password-cracking techniques hackers use to blow your online accounts wide open is a great way to ensure it never happens to you.
You certainly will always need to change your password, and sometimes more urgently than you think, but mitigating against theft is a great way to stay on top of your account security. You can always head to www.haveibeenpwned.com to check if you’re at risk but simply thinking your password is secure enough to not be hacked into, is a bad mindset to have.
So, to help you understand just how hackers get your passwords – secure or otherwise – we’ve put together a list of the top ten password-cracking techniques used by hackers. Some of the below methods are certainly outdated, but that doesn’t mean they aren’t still being used. Read carefully and learn what to mitigate against.
read also, 10 Best Free Password Manager to Secure Your Password For 2020

The top ten password-cracking techniques used by hackers:

1. Dictionary attack

The dictionary attack uses a simple file containing words that can be found in a dictionary, hence its rather straightforward name. In other words, this attack uses exactly the kind of words that many people use as their password.
Cleverly grouping words together such as “letmein” or “superadministratorguy” will not prevent your password from being cracked this way – well, not for more than a few extra seconds.

2. Brute force attack

Similar to the dictionary attack, the brute force attack comes with an added bonus for the hacker. Instead of simply using words, a brute force attack lets them detect non-dictionary words by working through all possible alpha-numeric combinations from aaa1 to zzz10.
It’s not quick, provided your password is over a handful of characters long, but it will uncover your password eventually. Brute force attacks can be shortened by throwing additional computing horsepower, in terms of both processing power – including harnessing the power of your video card GPU – and machine numbers, such as using distributed computing models like online bitcoin miners.

3. Rainbow table attack

Rainbow tables aren’t as colorful as their name may imply but, for a hacker, your password could well be at the end of it. In the most straightforward way possible, you can boil a rainbow table down into a list of pre-computed hashes – the numerical value used when encrypting a password. This table contains hashes of all possible password combinations for any given hashing algorithm. Rainbow tables are attractive as it reduces the time needed to crack a password hash to simply just looking something up in a list.
However, rainbow tables are huge, unwieldy things. They require serious computing power to run and a table becomes useless if the hash it’s trying to find has been “salted” by the addition of random characters to its password ahead of hashing the algorithm.
There is the talk of salted rainbow tables existing, but these would be so large as to be difficult to use in practice. They would likely only work with a predefined “random character” set and password strings below 12 characters as the size of the table would be prohibitive to even state-level hackers otherwise.
read more password-cracking techniques
submitted by icssindia to Hacking_Tutorials [link] [comments]

Groestlcoin 6th Anniversary Release

Introduction

Dear Groestlers, it goes without saying that 2020 has been a difficult time for millions of people worldwide. The groestlcoin team would like to take this opportunity to wish everyone our best to everyone coping with the direct and indirect effects of COVID-19. Let it bring out the best in us all and show that collectively, we can conquer anything.
The centralised banks and our national governments are facing unprecedented times with interest rates worldwide dropping to record lows in places. Rest assured that this can only strengthen the fundamentals of all decentralised cryptocurrencies and the vision that was seeded with Satoshi's Bitcoin whitepaper over 10 years ago. Despite everything that has been thrown at us this year, the show must go on and the team will still progress and advance to continue the momentum that we have developed over the past 6 years.
In addition to this, we'd like to remind you all that this is Groestlcoin's 6th Birthday release! In terms of price there have been some crazy highs and lows over the years (with highs of around $2.60 and lows of $0.000077!), but in terms of value– Groestlcoin just keeps getting more valuable! In these uncertain times, one thing remains clear – Groestlcoin will keep going and keep innovating regardless. On with what has been worked on and completed over the past few months.

UPDATED - Groestlcoin Core 2.18.2

This is a major release of Groestlcoin Core with many protocol level improvements and code optimizations, featuring the technical equivalent of Bitcoin v0.18.2 but with Groestlcoin-specific patches. On a general level, most of what is new is a new 'Groestlcoin-wallet' tool which is now distributed alongside Groestlcoin Core's other executables.
NOTE: The 'Account' API has been removed from this version which was typically used in some tip bots. Please ensure you check the release notes from 2.17.2 for details on replacing this functionality.

How to Upgrade?

Windows
If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), then run the installer.
OSX
If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), run the dmg and drag Groestlcoin Core to Applications.
Ubuntu
http://groestlcoin.org/forum/index.php?topic=441.0

Other Linux

http://groestlcoin.org/forum/index.php?topic=97.0

Download

Download the Windows Installer (64 bit) here
Download the Windows Installer (32 bit) here
Download the Windows binaries (64 bit) here
Download the Windows binaries (32 bit) here
Download the OSX Installer here
Download the OSX binaries here
Download the Linux binaries (64 bit) here
Download the Linux binaries (32 bit) here
Download the ARM Linux binaries (64 bit) here
Download the ARM Linux binaries (32 bit) here

Source

ALL NEW - Groestlcoin Moonshine iOS/Android Wallet

Built with React Native, Moonshine utilizes Electrum-GRS's JSON-RPC methods to interact with the Groestlcoin network.
GRS Moonshine's intended use is as a hot wallet. Meaning, your keys are only as safe as the device you install this wallet on. As with any hot wallet, please ensure that you keep only a small, responsible amount of Groestlcoin on it at any given time.

Features

Download

iOS
Android

Source

ALL NEW! – HODL GRS Android Wallet

HODL GRS connects directly to the Groestlcoin network using SPV mode and doesn't rely on servers that can be hacked or disabled.
HODL GRS utilizes AES hardware encryption, app sandboxing, and the latest security features to protect users from malware, browser security holes, and even physical theft. Private keys are stored only in the secure enclave of the user's phone, inaccessible to anyone other than the user.
Simplicity and ease-of-use is the core design principle of HODL GRS. A simple recovery phrase (which we call a Backup Recovery Key) is all that is needed to restore the user's wallet if they ever lose or replace their device. HODL GRS is deterministic, which means the user's balance and transaction history can be recovered just from the backup recovery key.

Features

Download

Main Release (Main Net)
Testnet Release

Source

ALL NEW! – GroestlcoinSeed Savior

Groestlcoin Seed Savior is a tool for recovering BIP39 seed phrases.
This tool is meant to help users with recovering a slightly incorrect Groestlcoin mnemonic phrase (AKA backup or seed). You can enter an existing BIP39 mnemonic and get derived addresses in various formats.
To find out if one of the suggested addresses is the right one, you can click on the suggested address to check the address' transaction history on a block explorer.

Features

Live Version (Not Recommended)

https://www.groestlcoin.org/recovery/

Download

https://github.com/Groestlcoin/mnemonic-recovery/archive/master.zip

Source

ALL NEW! – Vanity Search Vanity Address Generator

NOTE: NVidia GPU or any CPU only. AMD graphics cards will not work with this address generator.
VanitySearch is a command-line Segwit-capable vanity Groestlcoin address generator. Add unique flair when you tell people to send Groestlcoin. Alternatively, VanitySearch can be used to generate random addresses offline.
If you're tired of the random, cryptic addresses generated by regular groestlcoin clients, then VanitySearch is the right choice for you to create a more personalized address.
VanitySearch is a groestlcoin address prefix finder. If you want to generate safe private keys, use the -s option to enter your passphrase which will be used for generating a base key as for BIP38 standard (VanitySearch.exe -s "My PassPhrase" FXPref). You can also use VanitySearch.exe -ps "My PassPhrase" which will add a crypto secure seed to your passphrase.
VanitySearch may not compute a good grid size for your GPU, so try different values using -g option in order to get the best performances. If you want to use GPUs and CPUs together, you may have best performances by keeping one CPU core for handling GPU(s)/CPU exchanges (use -t option to set the number of CPU threads).

Features

Usage

https://github.com/Groestlcoin/VanitySearch#usage

Download

Source

ALL NEW! – Groestlcoin EasyVanity 2020

Groestlcoin EasyVanity 2020 is a windows app built from the ground-up and makes it easier than ever before to create your very own bespoke bech32 address(es) when whilst not connected to the internet.
If you're tired of the random, cryptic bech32 addresses generated by regular Groestlcoin clients, then Groestlcoin EasyVanity2020 is the right choice for you to create a more personalised bech32 address. This 2020 version uses the new VanitySearch to generate not only legacy addresses (F prefix) but also Bech32 addresses (grs1 prefix).

Features

Download

Source

Remastered! – Groestlcoin WPF Desktop Wallet (v2.19.0.18)

Groestlcoin WPF is an alternative full node client with optional lightweight 'thin-client' mode based on WPF. Windows Presentation Foundation (WPF) is one of Microsoft's latest approaches to a GUI framework, used with the .NET framework. Its main advantages over the original Groestlcoin client include support for exporting blockchain.dat and including a lite wallet mode.
This wallet was previously deprecated but has been brought back to life with modern standards.

Features

Remastered Improvements

Download

Source

ALL NEW! – BIP39 Key Tool

Groestlcoin BIP39 Key Tool is a GUI interface for generating Groestlcoin public and private keys. It is a standalone tool which can be used offline.

Features

Download

Windows
Linux :
 pip3 install -r requirements.txt python3 bip39\_gui.py 

Source

ALL NEW! – Electrum Personal Server

Groestlcoin Electrum Personal Server aims to make using Electrum Groestlcoin wallet more secure and more private. It makes it easy to connect your Electrum-GRS wallet to your own full node.
It is an implementation of the Electrum-grs server protocol which fulfils the specific need of using the Electrum-grs wallet backed by a full node, but without the heavyweight server backend, for a single user. It allows the user to benefit from all Groestlcoin Core's resource-saving features like pruning, blocks only and disabled txindex. All Electrum-GRS's feature-richness like hardware wallet integration, multi-signature wallets, offline signing, seed recovery phrases, coin control and so on can still be used, but connected only to the user's own full node.
Full node wallets are important in Groestlcoin because they are a big part of what makes the system be trust-less. No longer do people have to trust a financial institution like a bank or PayPal, they can run software on their own computers. If Groestlcoin is digital gold, then a full node wallet is your own personal goldsmith who checks for you that received payments are genuine.
Full node wallets are also important for privacy. Using Electrum-GRS under default configuration requires it to send (hashes of) all your Groestlcoin addresses to some server. That server can then easily spy on your transactions. Full node wallets like Groestlcoin Electrum Personal Server would download the entire blockchain and scan it for the user's own addresses, and therefore don't reveal to anyone else which Groestlcoin addresses they are interested in.
Groestlcoin Electrum Personal Server can also broadcast transactions through Tor which improves privacy by resisting traffic analysis for broadcasted transactions which can link the IP address of the user to the transaction. If enabled this would happen transparently whenever the user simply clicks "Send" on a transaction in Electrum-grs wallet.
Note: Currently Groestlcoin Electrum Personal Server can only accept one connection at a time.

Features

Download

Windows
Linux / OSX (Instructions)

Source

UPDATED – Android Wallet 7.38.1 - Main Net + Test Net

The app allows you to send and receive Groestlcoin on your device using QR codes and URI links.
When using this app, please back up your wallet and email them to yourself! This will save your wallet in a password protected file. Then your coins can be retrieved even if you lose your phone.

Changes

Download

Main Net
Main Net (FDroid)
Test Net

Source

UPDATED – Groestlcoin Sentinel 3.5.06 (Android)

Groestlcoin Sentinel is a great solution for anyone who wants the convenience and utility of a hot wallet for receiving payments directly into their cold storage (or hardware wallets).
Sentinel accepts XPUB's, YPUB'S, ZPUB's and individual Groestlcoin address. Once added you will be able to view balances, view transactions, and (in the case of XPUB's, YPUB's and ZPUB's) deterministically generate addresses for that wallet.
Groestlcoin Sentinel is a fork of Groestlcoin Samourai Wallet with all spending and transaction building code removed.

Changes

Download

Source

UPDATED – P2Pool Test Net

Changes

Download

Pre-Hosted Testnet P2Pool is available via http://testp2pool.groestlcoin.org:21330/static/

Source

submitted by Yokomoko_Saleen to groestlcoin [link] [comments]

For Beginners: Vanity addresses. Explaining what vanity addresses are and how you can set up your own address

For Beginners: Vanity addresses. Explaining what vanity addresses are and how you can set up your own address

https://preview.redd.it/16hk9v71y1v11.png?width=2970&format=png&auto=webp&s=aea305e2f81d5280de5c24680af6b93cd09e1486
When accessing or setting up your own Bitcoin wallet, you may notice that it just ends up being a bunch of numbers and letters that have no relevance to you or anything involved with you. What if you had the ability, though, to personalize that Bitcoin address so that it wasn’t just another random string of numbers and letter? Well, that’s exactly what vanity addresses are used for, giving you the opportunity to create a Bitcoin wallet which contains certain starting letters that spell out words like your name or brand. Let’s discuss these vanity addresses some more and learn how you can make your own personalized address.
This is not financial investment advice. This article will explain what vanity addresses are and how you can make your own.

Terminology

Bitcoin Wallet: A Bitcoin wallet is a software program where Bitcoins are stored. To be technically accurate, Bitcoins are not stored anywhere; there is a private key (secret number) for every Bitcoin address that is saved in the Bitcoin wallet of the person who owns the balance. Bitcoin wallets facilitate sending and receiving Bitcoins and gives ownership of the Bitcoin balance to the user.
Wallet Address: A Bitcoin wallet address is similar to a bank account number. It’s a unique 26-35 digit combination of letters and numbers and it looks something like this: 1ExAmpLe0FaBiTco1NADr3sSV5tsGaMF6hd
You can share your Bitcoin wallet address with others. With this, they will be able to send you Bitcoin.
Public Key: A cryptographic code that allows a user to receive cryptocurrencies into his or her account. The public key coupled with the private key are significant tools required to ensure the security of the crypto economy.

Familiarize yourself with these key terms in order to better understand how vanity addresses work.

What’s A Vanity Address?

To put simply, a vanity address is a Bitcoin address with certain starting letters that spell out words such as your name or your brand. This can make your own wallet stand out when receiving or sending Bitcoin, as it can tie in your name or any other word you might want as part of your Bitcoin wallet address. Think of your wallet address as your bank number which you give or show to people so that they can send you cryptocurrencies.
Currently, most - if not all - Bitcoin addresses are just made up of random numbers and letters. Getting a vanity address will definitely make you stand out and give your wallet a unique aspect. Here’s an example of what a basic vanity address would look like:

1googLemzFVj8ALj6mfBsbifRoD4miY36v

A vanity address is essentially a personalized bitcoin address. Most - if not all - Bitcoin wallet addresses are just a string of random letters and numbers, so getting a vanity address gives your wallet a unique aspect.

How Can I Make My Own?

There are two methods to create your own vanity address. The first way is to do it yourself, which is probably the most secure way as nobody can see the private key and public key pair. This does involve knowing a little bit of computing and downloading the correct software. You can then choose how much of your processing power you wish to dedicate to the process, but be aware that dedicating a large proportion of your CPU can make the program crash.
The other method - which might not be as secure - is to go onto a pool such as bitcoinvanitygen.com where you can outsource the work to Bitcoin vanity address miners. These miners dedicate their CPU & GPU power to finding the address you want and send it to you either via email or in the post (if you are paying for it). Although this is a quick process, there is the risk that miners could hold onto the private key that generated the address and use it at some point in the future to hack your funds and steal the millions your vanity address has stored in it.

To get a vanity address you can either make you own, which is the most secure way, or outsource it to vanity address miners.

Conclusion

When the world of cryptocurrency begins to get a bit boring, vanity addresses introduce a unique and even creative aspect to the process of sending and receiving cryptocurrencies. If you ever want to spice things up or make your address stand out, you can always get a vanity address to do so. Although it does take a significant amount of computing power, generating these addresses can make your overall experience much more personalized and allow you to stand out among other wallets.
Connect with us
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Have you made a vanity address before? Let us know why in the comments!
submitted by CoinBundle to u/CoinBundle [link] [comments]

At my wit's end with virus removal

So I have at least one virus on my computer. The one I know of is some sort of bitcoin miner, I know this because my gpu usage is constantly at 100% and the fan goes crazy as well as hitmanpro categorizing files with names like bitcoinminer.
I have managed to remove every suspicious file I could find and ran antivirus and antimalware until they couldn't detect anything else but the virus keeps coming back.
The main places I think the virus is focused around are the ~C:\Users\Tony\AppData\Local\Temp~ and ~C:\Users\Tony\AppData\Local\WinSXS~ folders.
I have booted into safe mode, deleted everything in the temp folder, and gave myself permission to delete the WinSXS folder. Every time I boot normally the WinSXS folder just comes back. I know something is up with this folder because rkill always terminates it as well as the other antimalware not liking it.
When I normally boot there is a folder in the temp folder with a name that's just random strings of numbers and letters that I can't delete. It says it's open in another program. I searched the folder name is the resource monitor cpu tab and it was associated with svchost.exe and a couple other things. I'm wondering is the virus is somehow tied to svchost.
So here's a rundown of the steps I've been taking (repeatedly) to try to take care of this.
  1. Boot into safe mode (by switching my psu off then on to get to the boot menu)
  2. Show hidden files and folders
  3. Delete everything from the local\temp folder
  4. Delete unknown files from C:\\ProgramData and C:\Users\User\AppData\Roaming
  5. Remove any weird keys from HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  6. Empty Recycle Bin
  7. Run rkill
  8. Run adwcleaner
  9. Run malwarebytes (with rootkit checker)
  10. Run Hitmanpro
  11. Run combofix
  12. Run the trojan remover from https://www.simplysup.com/
  13. Reboot computer normally
  14. Run malwarebytes, watch as it finds the same walwares as a million times before
  15. Listen to my fan speed fluctuate like crazy
  16. Run rkill, it kills a WinSXS process, which does nothing
  17. Cry uncontrollably
So uh, what the hell should I do?
OS: Windows 7
submitted by Froggyfrogger to techsupport [link] [comments]

Frequently Asked Questions

NOTICE

This post is a temporary resting place for FAQs while we wait for the release of VertDocs.

What is Vertcoin?

Vertcoin is a digital peer to peer currency focused on decentralization and ASIC resistance. Vertcoin is aiming to be easily accessible to the everyday user without extensive technical knowledge. Vertcoin has started to lower the barrier of entry with lots of video guides and the development of the One Click Miner (OCM).

Why does ASIC Resistance Matter?

ASICs (Application Specific Integrated Circuits) are dedicated mining devices that can only mine one algorithm. Coins like Bitcoin and Litecoin both made GPU mining obsolete when SHA-256 and Scrypt ASICs were created.
ASIC Resistance and How it Makes Vertcoin Decentralized
Vertcoin believes that ASIC resistance goes hand in hand with decentralization.
ASICs are made by companies like Bitmain and almost all the original sellers of ASICs sell on a preorder basis. When pre ordering an ASIC you are buying from a limited batch that the ASIC company has produced. Often times the batch will not be fully filled and the ASIC company will often have left over ASICs. When the ASIC company has left over ASICs they will put them to work mining. Soon enough the ASIC company will have a very large amount of unsold ASICs that are mining and slowly the ASIC company starts to own a large part of the network’s hashrate. When an ASIC company(s) starts to own a large majority of the hashrate the network can become very centralized after a while.
Having your network consist of a few large companies can be very dangerous as they could eventually get 51% hashing power and 51% attack your network, destabilizing the network. When your network is made out of a lot of smaller miners, like Vertcoin, it is much harder for your network to be 51% attacked, therefore increasing network security. By having centralized hashing power your coin effectively centralizing the network as the centralized hashing power can deny transactions and stop any activity they don’t want.

What Ways is Vertcoin Superior to Litecoin and Bitcoin?

Network Difficulty Adjustments with Kimoto Gravity Well
Vertcoin uses a difficulty adjustment called Kimoto Gravity Well which adjusts the difficulty every block, whereas Bitcoin and Litecoin’s difficulty changes every 2016 blocks. By adjusting the difficulty every block Vertcoin’s block time can stay consistent by adjusting for the fluctuation in network hash rate from hash rate renting and part time miners. If a large miner switches off Bitcoin or Litecoin mining the network could be slowed to a crawl until 2016 blocks are mined and the difficulty can change to adjust for the new network hash rate. We observed this happen to Bitcoin when Bitcoin Cash became more profitable than Bitcoin and Bitcoin’s network hash rate saw a steep fall off, slowing the network to a crawl. If this was to happen with Vertcoin the difficulty would adjust after 1 block was mined, allowing Vertcoin to always be profitable to mine.
Anyone can Meaningfully help Verify Transactions
In Proof-of-Work crypto currencies miners help secure the blockchain and get rewarded with the block reward. In ASIC mineable coins like Bitcoin and Litecoin you can’t meaningfully verify transactions unless you pay 1000-2000$ for a ASIC miner. When you mine with a CPU or GPU in a ASIC mineable coin you make no meaningful impact on the network. It is like trying to break concrete with a shovel while everyone else has a jackhammer.
Simple Upgrades Aren’t Held back by 1-2 Large Miners
In ASIC market people buy ASICs in batches in a preorder. With Bitcoin ASICs there is not enough demand for ASICs so the batch often doesn’t get sold out so now the manufacturer has spare ASICs. Now that the manufacturer has spare ASICs they will often start mining with them and eventually the ASIC company has one of the highest hash rates. If the ASIC company doesn’t want a certain upgrade to go through, for example SegWit, they can vote with their hash rate to hold back the upgrade forever or at least until people who want SegWit get more hash rate.
You Have a Say in Protocol Rules and Consensus
In Bitcoin you are a passive observer because you can only issue transactions and you have no part in the process after that. In Vertcoin you can be apart of the process for deciding the ordering of transactions and deciding what transactions get into blocks.
Block Rewards and Transaction Fees are Distributed Evenly
In Bitcoin and Litecoin the block rewards and transaction fees are often given to the large miners in China due to mining centralization created by ASICs. Vertcoin distributes its mining rewards to people all around the world thanks to the mining decentralization.

When will Atomic Swaps Be Ready?

Atomic Swaps can be done in two flavors: On-chain and Off-chain (via Lightning Network). On-chain swaps were actually done already using Blocknet, you can see it in use on Youtube. We're looking into doing it again using Interledger.
However our main focus is to do off-chain Atomic Swaps using Lightning Network technology. Because it has the same benefits as Lightning transactions: No network fees and instant transactions.
For off-chain swaps we need Lightning Network to be fully operational. It's difficult to give an ETA on that since we aren't the ones developing it. U/gertjaap posted a video on the current state of the Lightning Network for Vertcoin a while ago, which you can see here.
This was actually the "bleeding edge" of Lightning Network at the time. was able to use it on VTC's main net, meaning that our blockchain is ready for the good stuff. As you can see however, it can't yet be considered production ready (most users would want a little better UX than a command line app).
Now off-chain Atomic Swaps is a technique based on the same principles as Lightning Network, but adds an extra complexity for it being across chains. So it's basically the same as a "multi hop" Lightning payment, which is not yet built by any of the implementations. They're still working hard on making the single-hop payments robust. So in order for AS to be possible, LN has to be fully operational.
A timeline cannot be given at this time, because frankly we don't know. The implementation of Lightning Network we feel has the most potential is LIT, because it supports multiple currencies in its protocol (where LND is bitcoin-only at the time and requires significant work to support other currencies, which is an essential part of being able to work across multiple blockchains).
LIT is open source and there's nothing secretive about its progress, you can see the development on Github. We even have our lead dev James Lovejoy (u/jamesl22) close to the action and contributing to it where possible (and our team as well through testing it on the Vertcoin chain).
So we're not developing LN or AS ourselves, we're just ready with our blockchain technology whenever it becomes available.
If we have any real progress that has some substance, you can expect us to let the world know. We're not interested in fluffy marketing - we post something when we achieve real progress. And we are not keeping that secret.

How do I Choose the Right Vertcoin Wallet?

Deciding what Vertcoin wallet you should choose can be a difficult process. You can choose between three different wallets: Core, Electrum and Paper. Once you decide you can use the "How to Setup Your Vertcoin Wallets" video guide to assist you.

Core

The Core wallet is the wallet that most people should use. It will store the entire blockchain (~2GB) on your computer. The Core wallet is the only wallet that fully supports P2Pool mining. You will also have to use the Core wallet if you plan to run a P2Pool node or any Vertcoin related server.

Electrum

The Electrum wallet is a light wallet for Vertcoin. You do not have to download the blockchain on your computer, but you will still have your own private keys on your computer. This is recommended for people who don't need to store Vertcoins for very long and just need a quick but secure place to store them.

Paper

The Paper wallet is as the name implies, a physical paper wallet. When generating a paper wallet you will get a pdf that will need to print out. A paper wallet is normally used for long term storage since it is the safest way to store Vertcoins. A paper wallet can also be called "cold storage." Cold storage references the storage of your coins offline, preventing you from getting hacked over the internet.

Ledger Nano S

The Ledger Nano S is a hardware wallet designed by Ledger. A hardware wallet is similar to a paper wallet since it is normally used for cold storage. The hardware wallet is on par with the security of a paper wallet while being easy to use and setup. Note: You should never mine directly to a Ledger hardware wallet.

How do I start mining Vertcoin?

We have many guides available for you to use depending on your computer specifications.
Nvidia GPUs on Windows
Nvidia GPUs on Linux
AMD GPUs on Windows WARNING: Very unprofitable, AMD optimized miner is coming very soon.

Where can I get the One Click Miner (OCM)

You can get the latest version of the One Click Miner in the Vertcoin Discord. The download is pinned to the top of the #oneclick channel.

What do all the Numbers Mean on P2Pool’s Web Interface

I've seen a lot of confusion from new miners on public p2pool nodes, so here's a primer for the most common static node page style, for first time miners: https://imgur.com/K48GmMw

Active Miners on this Node

Address - This is the list of addresses currently mining on this node. If your address does not show up here, you are not mining on this node.
Hashrate
This is a snapshot of your hashrate as seen by the node. It will fluctuate up to 15% from the hashrate you are seeing on your mining software, but will average out to match the output in your mining software.
Rejected Hashrate
This is the amount of your hashing contribution that is rejected, both in hashrate and as a percentage of your total contribution. Running your own p2pool node minimizes this number. Mining on a node that is geographically close to reduce lag also minimizes this number. Ideally you would like it to be less than 1%, but most people seem happy keeping it under 3%.
Share Difficulty
This speaks for itself, it is the difficulty of the share being currently worked on. Bigger numbers are more difficult.
Time to Share
This is how long you need to mine before you will receive any payouts, or any "predicted payout." The lower your hashrate, the higher your time to share.
Predicted Payout
This is the reward you would receive if a block was found by p2pool right now. If it reads "no shares yet" then you have not yet been mining the requisite amount of time as seen in the previous "time to share" column.

Status

Network Hashrate
This is the total hashrate of all the miners mining vertcoin everywhere, regardless of where or how.
Global Pool Hashrate
This is the total hashrate of all the miners mining vertcoin on this p2pool network, be it the first network or the second network.
Local Pool Hashrate
This is the total hashrate of all the miners mining Vertcoin on this node.
Current Block Value
This is the reward that will be given for mining the current block. The base mining reward is currently 50 VTC per block, so any small decimal over that amount is transaction fees being paid by people using the network.
Network Block Difficulty
This is the difficulty of the block being mined. The higher the number, the higher the difficulty. This number rises as the "Network Hashrate" rises, so that blocks will always be found every 2.5 minutes. Inversely, this number falls when the "Network Hashrate" lowers as well.
Expected Time to Block
This is a guess at how much time will elapse between blocks being found by this p2pool network. This guess is accurate on average, but very inaccurate in the short term. Since you only receive a payout when the network finds a block, you can think of this as "Estimated Time to Payout."

Why is P2Pool Recommended Over Traditional Pools?

Decentralisation

P2Pool is peer to peer allowing a decentralized pool mining system. There are many nodes setup around the world that connect to each other too mine together. Many other coins have 1 very large pool that many miners connect to and sometimes the largest pool can have 51% or more of the network hash rate which makes the network vulnerable to a 51% attack. If P2Pool is the largest network then that prevents the Vertcoin network to be susceptible to a 51% attack as P2Pool is decentralized.

PPLNS Payout System

P2Pool uses a PPLNS (Pay Per Last N Shares) payout system which awards miners more the longer they mine, sort of like a loyalty system. A drawback to this system is that part time miners that aren't 24/7 won't be able to earn that much.

2 Networks

While Network 1 is catered towards 24/7 miners and people who have dedicated mining rigs, Vertcoin has a second P2Pool network where part time miners and miners under 100 MH/s can go to mine.

Mines Directly to Your Wallet

P2Pool mines directly to your wallet and cuts out the middleman. This reduces the likely hood that the pool will run away with your coins.

No Downtime

Since P2Pool is decentralized and has different nodes for you to choose from there will be no downtime because the P2Pool network does not die if one node goes down. You can setup a backup server in your miner so that you will have no downtime when mining.

Anonymity and Security

When using P2Pool you use a wallet address making your real identity anonymous, you are simply known by a random 34 letter string. Along with using a wallet address instead of a username there is no password involved P2Pool preventing the possibility of cracking your pool account (If you were on a traditional pool,) and stealing all your coins.

How do I Find a Nearby P2Pool Node

You can find the public p2pool nodes the the P2Pool Node Scanners. If you want to find a network 1 node go here. If you want to find a network 2 node go here.

How do I setup a P2Pool Node?

Linux P2Pool Setup
Windows P2Pool Setup (Text)
Windows P2Pool Setup (Video) This guide setups a network 2 node. When downloading Python download the 32bit version, not the 64bit. Downloading the 64bit version causes problems with the twisted install.
How do I setup a change my node to network 1 or network 2?
In the P2Pool startup script when you type the --network flag add vertcoin1 for network 1 and vertcoin2 for network 2 right after.

How do I Buy Vertcoin?

You can see a video guide on Youtube, "How to Buy Vertcoin with Fiat Using Bittrex and Coinbase"

How can I get help with "X problem?"

The quickest way for you to get help is for you to join the Vertcoin Discord Group. We almost always have knowledgable Vertans, whether that be developers or experienced Vertans, online to help you with whatever problems you may have.

How can I donate to the Developers?

You can donate to the dev fund at https://vertcoin.org/donate/. You can select what you want your funds to go to by donating to the corresponding address. You can also see how much funding is required and how much we have donated.

Where can I see what exchanges Vertcoin is on?

You can see what exchanges Vertcoin is listed on at CoinMarketCap. You can see what exchanges Vertcoin has applied to be on at this google docs spreadsheet.

Where can I see Vertcoin's Roadmap?

The Vertcoin developers currently have a trello board where you can see the goals and what the status of said goal is. You can also vote on what you want the Vertcoin developers to focus on next.

What is the Status of the AMD Optimized Miner?

The AMD Optimized Miner internal beta is aiming to be ready by the end of September. The AMD Optimized Miner is currently being developed by @turekaj on the Vertcoin Discord. He currently does not have a Reddit account and Discord is the only way you can contact him.

What Does Halving Mean?

Halving means that the block reward for miners will be split in half. Halving happens around every 4 years for Vertcoin or 840,000 blocks. This means around December miners will only receive 25 VTC per block instead of the current 50 VTC per block.
If you would like to add another question to this list please comment it and I will get around to adding it ASAP.
submitted by asianboygames to vertcoin [link] [comments]

Getting Started with Bytecoin: A Beginner’s Guide

In this post, I discuss exactly what you need to start exploring cryptocurrency, particularly Bytecoin. It took me several days to learn this information through trial and error. Using information in this post, however, you should be able to start using cryptocurrency in less than a day. Specifically, I will discuss three things you must do to started, namely:
  1. Downloading a compatible wallet;
  2. Creating a .wallet file and syncing the wallet with the blockchain; and
  3. Getting Bytecoin by mining for it or purchasing it from someone who already has it.
In all honesty, these are the very basics of cryptocurrency, and you can apply the steps to almost any other currency, including Bitcoin. Similarly, I could write an entire post on how to configure your computer, so you reap the most amount of profits on Bytecoin UK, for example, but that is just beyond the scope of this post.
If, however, you find this post helpful, please donate BCN here: 21DUzLdrRHuX9A1d8P2NMSZFAo8XETxybEYjAhV3RdcmYePkCmjM9hoEVhPFQB4MofSeJPdjHhJSJRWjiBTyrY132LnDJT2
------------------------------------------------------Getting a Wallet----------------------------------------
The most secure way to store your Bytecoin is by installing a wallet, which is nothing more than a program that allows you to send and receive Bytecoin as well as mine for Bytecoin, on your laptop or desktop.
The best way to acquire the wallet is to visit the developer of Bytecoin’s website (i.e., https://bytecoin.org/downloads) and download it. Since Bytecoin is constantly being improved, I would recommend that you download the Beta version of the desktop wallet. Having just installed it myself, I know it's working just fine.
Once you download it, you will want to install it, and at this point, your anti-virus software may flag it as a virus, but it isn’t. It is 100% safe.
Next, you’ll want to create your wallet, which will require you to set a password. At the top of your wallet, click wallet and then create wallet, which should prompt you to enter a password. In creating a wallet, you'll notice that your wallet creates a .wallet file; you will want to save this somewhere safe, since it contains all of the information about your wallet. In other words, this is the file you can open to view your account.
As soon as you create the wallet, your wallet will begin synchronizing with the blockchain, which is a ledger of all of the transactions that have taken place with Bytecoin.
Depending on how fast your internet connect is, this process will take approximately 3 to 8 hours to complete, and it will take up a lot of your computer's resources, particularly its hard drive. This is completely normal, and once you go through this, you won’t have to do it again.
As soon as your wallet synchronizes with the blockchain, you will be ready to start sending and receiving Bytecoin. Similarly, if you do not sync your wallet with the blockchain, you will not able to send or receive Bytecoin!
Your Bytecoin address, which is the address at which you can receive funds from other people, is the long string of random characters toward the top of your wallet. If you click on it, it will automatically be copied to your clipboard.
Now, you’re ready to start sending and receiving Bytecoin and as well as mining for Bytecoin.
------------------------------------------------Acquiring Bytecoin--------------------------------------------
While there are several ways to acquire Bytecoin, I will discuss the two most reliable methods here. In essence, you can either use your computer to mine for Bytecoin, or you can purchase Bytecoin directly from someone who has Bytecoin already.
-------------------------------------------MinerGate---------------------------------------------------------
As for using your computer to mine for Bytecoin, I would recommend creating an account on MinerGate.com and downloading its mining software. As was the case for your Bytecoin wallet, your anti-virus may recognize the software as a virus, but it’s not.
Once you load the software, you simply put in same e-mail address you used to create the account on MinerGate.com and start mining.
As far as CPU mining goes, you will want to use less CPU power than you computer currently has available. For example, my processor has six cores, so I typically only use 5 cores to mine. If you only have a dual-core processor, I would recommend you only use one of the cores to mine. Otherwise, you can cause your machine to overheat.
To monitor my system, including its core and GPU temperature, I use Open Hardware Monitor (i.e., http://openhardwaremonitor.org/)
As soon as you mine 100 Bytecoins, you can then transfer them directly to your wallet. Note: If you are only using a limited amount of your computer’s resources, this can take as long as one month, and there are calculators on MinerGate.com that will help you determine how long it should take.
--------------------------------------------------Bytecoin UK------------------------------------------------
If you want to start earning Bytecoin within a few hours, you can also mine on the Bytecoin UK pool (i.e., https://bytecoin.uk/#getting_started).
On its website, you can download a miner that has a Graphical User Interface (GUI) and see the commands you need to use other mining software. For example, I use Claymore's CPU miner, so I enter the following commands in command prompt:
NsCpuCNMiner64 -o stratum+tcp://bytecoin.uk:3333 -u YOUR_WALLET_ADDRESS -p x
By entering your wallet ID on its website, you can check your mining statistics and payment history. In addition, you can also configure it so that you will receive payouts for every 5 BCN you mine. Note: MinerGate requires you to mine 100 BCN before you can transfer the BCN to your wallet, whereas Bytecoin UK only requires you to mine 5 BCN for a payout.
----------------------------------------------------------eBay-----------------------------------------------
If you don’t want to use your computer’s resources to mine Bytecoin, you can also purchase it directly from a seller.
In my experience, the most reliable way to buy Bytecoin is through eBay. There, you simply purchase Bytecoin from a seller who usually lists the methods by which he or she is willing to accept payment in the description of the post.
Typically, a seller will ask you to send your payment, as well as your Bytecoin address, to them via a message on PayPal.
As long as you send small amounts, your risk of being scammed is minimal, and personally, I have never been scammed this way.
So that’s it. Now, you’re ready to start using Bytecoin!
If you found this post helpful, please donate BCN here: 21DUzLdrRHuX9A1d8P2NMSZFAo8XETxybEYjAhV3RdcmYePkCmjM9hoEVhPFQB4MofSeJPdjHhJSJRWjiBTyrY132LnDJT2
submitted by Wolgadeutsch to BytecoinBCN [link] [comments]

Groestlcoin Release September 2018

Introduction

As always, the past 3 months since 22nd June have been crazy busy. The bears might still be around, but the show must go on and of course has not slowed the Groestlcoin development team in the slightest. Here’s a quick overview of what has already happened since the last release: - Integrated into the bitbns exchange, with the ability to buy Groestlcoin directly with the Indian Rupee. - Groestlcoin Rebrand Vote – Whilst there was much talk and push for a rebrand vote, the overall result was almost unanimously in favour of keeping our unique and conversation-starting name. With just 83 votes to Rebrand, and 2577 votes to No Rebrand. Thank you for all who voted, the funds raised are being used to fund ongoing hosting and development costs. - Integrated into the Cryptobridge exchange. Cryptobridge is a popular decentralised exchange where you always hold the private keys to your funds, only YOU have access to them. - Groestlcoin has been added to SimpleSwap – Groestlcoin can now be swapped with over 100 other cryptocurrencies, without signing up! - Groestlcoin has been added to UnoDax, one of the leading cryptocurrency exchanges in India, with TUSD, BTC and INR trading pairs. - Groestlcoin has been added to SwapLab.cc, where you can buy Groestlcoin using Bitcoin and over 50 other altcoins. Purchasing with VISA/Mastercard is coming VERY SOON. Discussed later: - Groestlcoin has been listed on #3 largest exchange in the world on volume, Huobi Global! More on this to come further on in the announcements. - Groestlcoin has been added to the Guarda Multi-Currency Wallet. - Groestlcoin has been added to Melis Multi-Device, Multi-Account, Multi-Platform, Multi-Signature advanced wallet! Already this list is far more than most other cryptocurrencies have achieved in the past 3 months. But this is just the tip of the iceberg of what has been developed.

What's been Happening?

GRSPay Released

We are so excited for this, that it has it's own separate reddit thread. Head over there now at https://www.reddit.com/groestlcoin/comments/9ikr5m/groestlcoin_releases_grspay/? to see more on this!
https://www.melis.io/assets/logo-navbar-4b6f0d372f15b2446d3fa4c68f346e4fb08ee113941186cee58fd6135f3f8b7d.svg

Melis Wallet

The the most advanced wallet for Bitcoin, Bitcoin Cash, Litecoin and now Groestlcoin.
With Melis you have the complete control of your bitcoins and private keys, you can define spending limits policies and make use of two or more factors authentication. Melis is open source, published on GitHub.

How Melis Works?

You can create as many accounts as you want. An account is a part of your wallet that can be customised to your requirements. You can choose how many co-signers are required to spend funds. The accounts are completely independent and act like separate wallets from each other but can be accessed via the same details. A core feature of Melis is the ability to set a ‘primary’ device. With this you can set an account as ‘Secure’ so it is only viewable (and accessible at all) from the Primary device. You can have a savings account hidden from the outside world whilst also having your ‘spending’ funds available on the go. With Melis you can create a multi-signature account between N people, where up to N signatures are required to sign a transaction, choosing if any of those should be mandatory.
Core Features:
https://guarda.co/assets/images/1PGo4ID.svg?1537791124643

Guarda Wallet

Safer than ever! Desktop Light Wallet - Anonymous and fast!
With Guarda Multi-currency Desktop Light Wallet you don’t need to register. Guarda has no access to your private keys or funds. You can receive, send, store, buy and exchange cryptocurrencies in complete anonymity and safety. All these features are available on Linux, Windows or MacOS. Choose the one that suits you!
More info about Guarda wallet on www.guarda.co
https://holytransaction.com/images/logo.png

Integrated into HolyTransaction

What is HolyTransaction?

HolyTransaction gives users access to the crypto world with a universal cryptocurrency wallet and instant exchange.

Features

For more information, visit Holy Transaction here.
https://www.groestlcoin.org/wp-content/uploads/2018/09/next-grs-groestlcoin.jpg

Integrated into NEXT Wallet

What is NEXT?

NEXT is a modern, next-generation stylish open-source Desktop wallet.

Features

For more information, visit NextWallet here.
https://blockchainfinancial.com/mediaserve2018/09/admin-06143647-bcf_logo_vec_256x256.png

Integrated into Blockchain Financial

What is Blockchain Financial?

Blockchain Financial is a set of web based services for individuals and companies that want to make things happen with the Cryptocurrencies Ecosystem. - For those that don't know anything about cryptocurrencies, we offer tools that will let them receive, send and operate with an assortment of coins. - For those that are already riding the wave, we offer tools that will let them do all those things that they weren't able to do.

Blockchain Financials mission

We're not here to reinvent the wheel. We're here to make it run smoother for you, and we provide some of the most useful services you'll find on the internet, made in a way that is easy to understand and use on a daily basis. In short, we're a bunch of people that claim to be Crypto Evangelists. We strongly believe in cryptocurrencies, and our main promise is to push them up so more people get involved and take all the advantages they offer.

More information from Blockchain Financial

Back in 2014, the world was taken by storm when Facebook approved the first cryptocurrencies tipping apps. The first was for Dogecoin, and the second was for multiple coins.
The project was hosted on whitepuma.net, and persisted for almost two years, built up a massive user community and gave a home to Bitcoin, Litecoin, Dogecoin and dozens of other bitcoin-based altcoins.
After very active months, the tipping hype started to fade away. Then, the developers decided to jump into the next stage: bringing not only tipping, but also mining and a widget that could be embedded on websites to allow everyone to accept payments. Sadly, the work was never completed because the project started to require an unsustainable amount of resources. Then, in a painful decision, a shutdown was announced by December 2015.
A couple of months after whitepuma.net was closed, the source code was released by its creator as Open Source on GitHub. But it wasn't maintained.
Now, some of the original members of the dev and admin teams gathered up with a handful of the WhitePuma's elite users, and decided to make something good with the best pieces of the old source code. That, with fresh new ideas and the power of the BardCanvas engine, synthesized the core of Blockchain Financial.
More info about Blockchain Financial wallet on .
For more information, visit [Blockchain Financial](www.blockchainfinancial.com)
https://www.huobi.com/image/logo.aeb4723.svg

Groestlcoin Listed on Huobi

Who are Huobi?

Huobi was founded in China and is now based in Singapore, with offices in Hong Kong, South Korea, Japan and the North America, currently sitting #3 in volume on Coinmarketcap. Huobi is a great leap forward for our growing presence in Asia and we are very excited to be listed here!
You can find the official Huobi announcement here.

Groestlcoin Core v2.16.3 - Please Update ASAP

A new major Groestlcoin Core version 2.16.3 is now available for download which includes both a Denial of Service component and a critical inflation vulnerability, so it is recommended to upgrade to it if you are running a full Groestlcoin node or a local Groestlcoin Core wallet.
v2.16.3 is now the official release version of Groestlcoin Core. This is a new major version release with a very important security updates. It is recommended to upgrade to this version as soon as possible. Please stop running versions of Groestlcoin Core affected by CVE-2018-17144 ASAP: These are 2.13.3 and 2.16.0.
As a result in this, all exchanges and services have been asked to upgrade to this version, so please be patient if wallets go in to maintenance mode on these services.

What's new in version v2.16.3?

This is a major release of Groestlcoin Core fixing a Denial of Service component and a critical inflation vulnerability (https://nvd.nist.gov/vuln/detail/CVE-2018-17144) exploitable by miners that has been discovered in Groestlcoin Core version 2.13.3 and 2.16.0. It is recommended to upgrade to 2.16.3 as soon as possible. If you only occasionally run Groestlcoin Core, then it's not necessary to run out and upgrade it right this second. However, you should upgrade it before you next run it. If you know anyone who is running an older version, tell them to upgrade it ASAP. Stored funds are not at risk, and never were at risk. At this time we believe over half of the Groestlcoin hashrate has upgraded to patched nodes. We are unaware of any attempts to exploit this vulnerability. However, it still remains critical that affected users upgrade and apply the latest patches to ensure no possibility of large reorganizations, mining of invalid blocks, or acceptance of invalid transactions occurs.

The Technicals

In Groestlcoin Core 2.13.3, an optimization was added (Bitcoin Core PR #9049) which avoided a costly check during initial pre-relay block validation that multiple inputs within a single transaction did not spend the same input twice which was added in 2012 (Bitcoin Core PR #443). While the UTXO-updating logic has sufficient knowledge to check that such a condition is not violated in 2.13.3 it only did so in a sanity check assertion and not with full error handling (it did, however, fully handle this case twice in prior to 2.1.0.6). Thus, in Groestlcoin Core 2.13.3, any attempts to double-spend a transaction output within a single transaction inside of a block will result in an assertion failure and a crash, as was originally reported. In Groestlcoin Core 2.16.0, as a part of a larger redesign to simplify unspent transaction output tracking and correct a resource exhaustion attack the assertion was changed subtly. Instead of asserting that the output being marked spent was previously unspent, it only asserts that it exists. Thus, in Groestlcoin Core 2.16.0, any attempts to double-spend a transaction output within a single transaction inside of a block where the output being spent was created in the same block, the same assertion failure will occur. However, if the output being double-spent was created in a previous block, an entry will still remain in the CCoin map with the DIRTY flag set and having been marked as spent, resulting in no such assertion. This could allow a miner to inflate the supply of Groestlcoin as they would be then able to claim the value being spent twice.
Groestlcoin would like to publicly thank Reddit user u/Awemany for finding CVE-2018-17144 and reporting it (https://lists.linuxfoundation.org/pipermail/bitcoin-core-dev/2018-Septembe000064.html). You deserve gratitude and appreciation from cryptoworld, and you have ours. If you want to support him for his work, please consider donating to him on his bitcoin cash address: bitcoincash:qr5yuq3q40u7mxwqz6xvamkfj8tg45wyus7fhqzug5
http://i.imgur.com/3YhyNZK.png

Groestlcoin Electrum-GRS 3.2.2 - Ledger & Trezor Edition

What is Electrum-GRS?
Electrum-GRS is a lightweight "thin client" groestlcoin wallet Windows, MacOS and Linux based on a client-server protocol. Its main advantages over the original Groestlcoin client include support for multi-signature wallets and not requiring the download of the entire block chain.

Changes:

http://i.imgur.com/3YhyNZK.png

Electrum-GRS Mobile Android

What is Electrum-GRS Mobile?

Electrum-grs is a lightweight "thin client" groestlcoin wallet Android based on a client-server protocol. Its main advantages over the original Groestlcoin client include support for multi-signature wallets and not requiring the download of the entire block chain.

Changes

Groestlcoin EasyVanity Released

Groestlcoin EasyVanity is a Windows app is built from the ground-up in C# and makes it easier than ever before to create your very own bespoke Groestlcoin address(es), even whilst not connected to the internet! You can even generate multiple keys with the same prefix and leave it on overnight whilst your CPU or GPU collects and stores these addresses locally.
If you're tired of the random, cryptic addresses generated by regular groestlcoin clients, then Groestlcoin EasyVanity is the right choice for you to create a more personalized address.

Features

• Ability to continue finding keys after first one is found • Includes warning on startup if connected to the internet • Ability to output keys to a text file (And shows button to open that directory) • Ability to make your match case sensitive (Where possible) • Show and hide the private key with a simple toggle switch, and copy the private key straight to your clipboard • Show full output of commands • Includes statistics whilst the application is running • Ability to choose between Processor (CPU) and Graphics Card (GPU) • Automatically detects 32 or 64 bit systems • Features both a Light and Dark Material Design inspired Themes • EasyVanity's search is probabilistic, and the amount of time required to find a given pattern depends on how complex the pattern is, the speed of your computer, and whether you get lucky. • EasyVanity includes components to perform address searching on your CPU (vanitygen) and your OpenCL-compatible GPU (oclvanitygen). Both can be built from source, and both are included in the Windows binary package. • Prefixes are exact strings that must appear at the beginning of the address. When searching for prefixes, Easyvanity will ensure that the prefix is possible, and will provide a difficulty estimate. • The percentage displayed just shows how probable it is that a match would be found in the session so far. If it finds your address with 5% on the display, you are extremely lucky. If it finds your address with 92% on the display, you are unlucky. If you stop EasyVanity with 90% on the display, restart it, and it finds your address with 2% on the display, your first session was unlucky, but your second session was lucky. • EasyVanity uses the OpenSSL random number generator. This is the same RNG used by groestlcoin and a good number of HTTPS servers. It is regarded as well-scrutinized. Guessing the private key of an address found by EasyVanity will be no easier than guessing a private key created by groestlcoin itself. • To speed up address generation, EasyVanity uses the RNG to choose a private key, and literally increments the private key in a loop searching for a match. As long as the starting point is not disclosed, if a match is found, the private key will not be any easier to guess than if every private key tested were taken from the RNG. EasyVanity will also reload the private key from the RNG after 10,000,000 unsuccessful searches (100M for oclvanitygen), or when a match is found and multiple patterns are being searched for. • Free software - MIT. Anyone can audit the code. • Written in C# - The code is short, and easy to review.

Groestlcoin Sentinel (Android & Blackberry) – Mainnet + Testnet

What is Sentinel?

Groestlcoin Sentinel is the easiest and fastest way to track/receive/watch payments in your offline Groestlcoin Wallets. Groestlcoin Sentinel is compatible with any standard Groestlcoin address, BIP44 XPUB (Extended Public Key) BIP49 YPUB and BIP84 ZPUB
Groestlcoin Sentinel is a great solution for anyone who wants the convenience and utility of a hot wallet for receiving payments directly into their cold storage (or hardware wallets). Sentinel accepts XPUB's, YPUB'S, ZPUB's and individual Groestlcoin address. Once added you will be able to view balances, view transactions, and (in the case of XPUB's, YPUB's and ZPUB's) deterministically generate addresses for that particular wallet.

What's New?

The P2SH paperwallet supports creating P2SH paperwallets in bulk, keypair generation with QR codes and sweeping tool. Groestlcoin believes strongly in privacy, the live version does not collect and store IP or transaction data.
Changes
Features
The BECH32 paperwallet supports creating BECH32 paperwallets in bulk, keypair generation with QR codes and sweeping tool. Groestlcoin believes strongly in privacy, the live version does not collect and store IP or transaction data.
Features
![WebWallet](https://i.imgur.com/Z2oj7bj.png)

Groestlcoin Web Wallet Update 1.4

What is Groestlcoin Web Wallet?
Groestlcoin Webwallet is an open source, multisignature, HD Wallet and more! Webwallet is a a open source browser based Groestlcoin webwallet.
Webwallet is a playground for Groestlcoin in javascript to experiment with. It supports multisig, OP_HODL, RBF and many more. Groestlcoin believes strongly in privacy, the live version does not collect and store IP or transaction data.
Changes:
submitted by Yokomoko_Saleen to groestlcoin [link] [comments]

Ulord’s 8 Technical Advantages

Ulord’s 8 Technical Advantages
📷
https://preview.redd.it/6b4n6ivmjej11.jpg?width=900&format=pjpg&auto=webp&s=7344f3335e085ae864a1bedc55ed4c305e14eb34
In order to meet needs of Internet content distribution, the original chain of Ulord introduces master node system. The structure of master node is established as a peer-to-peer distributed content distribution network (InterPlanetary File System, IPFS), which provides massive cloud storage resource pool and unified global addressable space storage resource. Considering the sustainable development of Ulord, voting system and budget system are introduced. Voting system can not only carry out intelligent evaluation on a variety of applications on application layer, but also can assist budget system, fund more developers to devote themselves into Ulord development, and make the ecological development of Ulord in a virtuous circle with more applications. In other implementations, Ulord can be compatible with smart contract, make the application of Ethernet be transplanted to the Ulord network. Ulord adopts the mixed mining mechanism of POW and POS, so as to ensure that the development of the block network is not held by hashrate.

1.Master node system

The whole node refers to server or common PC running the full client on the P2P network, which plays a role of spread of transactions and blocks in the blockchain network. To maintain normal operation of all nodes, a large amount of cyber source needs to be consumed, such as storage space and network flow. According to Zap Chain Magazine statistics, the number of all nodes in the bitcoin network shows a decreasing trend, which requires additional 40 seconds for block broadcasting. The community has put forward many solutions, such as the introduction of new award plan of Microsoft Research and the Bitnodes incentive plan, and try to increase the number of nodes, but without good solution.

https://preview.redd.it/mpp7l9pljej11.png?width=506&format=png&auto=webp&s=49a622c12123ed15e83450db66542ef520de228a
In order to maintain a healthy and stable blockchain backbone network, Dashi puts forward the solution of hierarchical network. Through the introduction of master node system, the stable backbone network can form to solve communication delay. In the system of Dashi, 1000 nodes of dash can be stored and upgraded to the master node. If it can be stable online in a period of time, 45% of income of each block network will be taken. But now, the master node system of Dashi still has many problems in the design and implementation. Firstly, according to the design rules of Dashi, the total number of coin of the whole system is about 17 million, and approximately 8 million have been issued. While the number of the master node is maintained at about 4800. As each master node needs to have 1000 dashes as guarantee, nearly 5 million Dashi coins are locked in master node. The number of circulating Dashi coins in the market is less than 3 million, which is obviously contrary to the initial design theory of bitcoin, and cannot guarantee a sufficient currency circulation in the market. Secondly, in the design of master node, there is no discrimination or considering QoS, and master node service quality is uneven. Therefore the network communication cannot achieve the desired results. Finally, only users with some computer knowledge can build master node, not all people have such a foundation. To entrust the third party often brings the risk to assets, so it is necessary to let more people participate in the maintenance of the master node network. As shown in Figure 3, considering different application scenarios, Ulord makes further improvement and optimization to the master node system as follows:
Voting mechanism of master node is introduced to enhance Ulord service quality.
In order to encourage users to join in the master node construction, Ulord distributes 25% of the entire network benefits to master node holders. While QoS assessment mechanism is introduced, and under the principle of survival of the fittest, some master nodes which do not meet the requirements will be eliminated. Therefore master node users must continuously invest and maintain to ensure good condition of nodes. QoS assessment mechanism mainly considers from the following several aspects:
Data packet loss rate: packet loss rate between master node and adjacent nodes is judged by ping-pong operation. If it exceeds a certain threshold, the node state is judged not to meet the service requirements, and the master nodes list is eliminated.
Network communication delay: the delay between master node and adjacent nodes is judged by ping-pong operation. If it exceeds a certain threshold, the node states is judged to not meet the service requirements, and the master nodes list is eliminated.
Data retransmission number: when retransmission times of master node and adjacent user node are too high, the user node will broadcast it on the entire network. When the reported number of this master node reaches the threshold, the master nodes is eliminated from master node list.
Proof-of-Stake mechanism is introduced to provide IPFS service.
In order to meet distribution mechanism of Ulord network, a large number of nodes are needed to bear the Internet data, and provide more high-quality video and data flow service. In Ulord, it ensures the network storage service with high quality from two aspects. First, in the Ulord network, 1TB of hard drive storage space is needed as a qualification guarantee for master node; through distributed technology, Ulord can integrate these master nodes into a massive storage resource pool. Second, in order to confirm that each master node is actually stored with data, Proof-of-Stake mechanism is introduced. This mechanism can randomly carry out integrity verification to the master node data by data holding proving and data recovery proving to ensure that the master node can provide stable data storage service. The main factors of the nodes are as follows:
Storage capacity: according to storage capacity size, the income is calculated in proportion.
Storage value: according to storage data value, determine whether the platform effective data are stored, and determine whether to calculate the income;
Store IOPS: IOPS (Input/ Output Operations per Second), that is the number of read/write (I/O) operations per second, measures the performance of disk random access. According to disk performance, judge whether to calculate the income.
More general master node platform. Ulord will provide a better user experience for user, while bringing more high-quality storage and network server for the system itself. To attract more investors to participate in the construction of the master node network, we will develop master node client software across the platform, including windows/Linux/OS x/Android and other mainstream systems. For Linux system, Docker package image will be provided directly for users to install conveniently.

2. Sidechain

Sidechain is not specifically referring to a certain chain, but refers to any chain
that obeys the rules of the sidechain. The Ulord sidechain rule means that the Ulord sidechain can verify the data from the Ulord main chain, and through the Two-way Peg (2WP), the UlordToken is safely transferred between the mainchains and sidechains at a fixed exchange rate to achieve assets transfer between the chains.
The Two-way Peg is roughly divided into the following stages:
a. Send a 2WP transaction to lock the UlordToken in the main chain;
b. Wait for a confirmation period, making the transaction confirmed by enough
blocks;
c. Transfer the UlordToken to the sidechain and provide proof of SPV or
miner’s vote;
d. Wait for a reorganization period to prevent double spending;
e. Unlock the UlordToken for normal use on the sidechain;
After a period of time, if the user wants to redeem the UlordToken to the main chain, the reverse action can be performed. The redemption operation provides a sidechain user with an exit mechanism to prevent users from being forced to bind assets to unwanted sidechain applications.
Each sidechain can operate in different networks, with independent economic patterns and corresponding DAPPs. Developers can construct a sidechain and then dock it to the Ulord main chain. While inheriting and reusing the Ulord main chain technology, they also share the pressure of the Ulord main chain.
Each DAPP deployed on the sidechain is allowed to have a unique set of ledgers. According to different application scenarios of the DAPP, the sidechain’s consensus mechanism and block parameters are allowed to be reformed. And because the sidechain is an independent system, the serious problem of DAPP on the sidechain will only affect the sidechain itself and will not affect the Ulord main chain.
Ulord supports multiple sidechains, each of which can support one or more DAPPs. Sidechains can have their own virtual machines, publish smart contracts, and remain compatible with Ethereum virtual machines.

3. Voting system

Voting system has two major roles on Ulord. The first is to evaluate the plan proposed by developers and promote community contribution to Ulord; the second is to review resources and sites on Ulord to maintain the orderly development of Ulord ecology. If there are developers contributing to Ulord good solutions or codes, they can get system rewards. Whether to award and how much reward of developers contribution are decided by community vote. In addition, Ulord allows users to publish their own site, which may cause the problem that a large number of applications launch make the entire ecosystem in disorder and difficult to govern. In order to purify the network environment and make Ulord ecology a healthy development, consensus evaluation mechanism is introduced for Ulord network intelligent maintenance. The resources posted by user on Ulord have a unique 160bit hash value. All master nodes can vote the site resources issued by users on Ulord and show their position. When the number of opposing votes in a certain period of time exceeds threshold value, the network will automatically prohibit resource transmission, and give time to make publishers rectify. If there is no rectification in the specified time, Ulord will automatically delete it. There are three kinds of voting types: Yes, No and Abstain.

4 .Budget system

In order to promote the healthy development of Ulord ecosystem, Ulord prepares 10% of income for developers of the whole community. Ulord provides unified proposal entrance for community development. The community developers can submit the improvement proposal of Ulord through the entrance. The submitted proposal will be broadcast to Ulord, and sent to users in the form of message. All Ulord users have rights to vote. When the number of a proposal support exceeds a certain threshold value (the current system is set to 30%), the proposal will be approved. Then, the developer submitting the proposal will begin to accept budget system support. For the same proposal, users need to make voting twice. After the first voting, development team will receive budget support, but only 50% of the budget will be provided for developers. Only after developers complete and launch the second voting, the user can receive the remaining 50% of budget support.
In concrete implementation, a super block will be automatically generated in every 17000 blocks, and funding for the community developers can be achieved through this block. The number of coinbase coin of super block is the sum of the blocks between the previous super block and the current super block after deducting of 10% of income, then txout is the budget address passing the budget. If the current super block has no budget, the funds will be automatically stored in the pool of funds, which is used for the following plan budget support.

5.Smart contract

Unified domain name mechanism
Ulord allows the users to call the API of platform layer to publish their own site service. In order to make Ulord users to get convenient access to other users’ resources on the Ulord platform, the readable character string easy to remember can be used as domain name. Before the user releases the resource, by specifying the domain name site, he can apply for the readable domain name easy to remember. But there is a need to bind certain amount of UlordTokens. With the passage of time, the quantity of UlordTokens will be gradually consumed with increasing of block; in other words, all the resources and websites on Ulord will be gradually consumed with the increasing block height. All UlordTokens consumed for applying for a domain name will flow into the underlying network and become a part of the cost of billing.
To support the readable domain name system, we introduce a new data structure Domain Claimtrie to store all domain names and the associated information on Ulord. As shown in Figure 5, in Domain Claimtrie, each node corresponds to a domain name, at the same time, each node also holds the node’s related transaction information, including a transaction. When the user applies for the domain name, it must be bound with a certain number of UlordTokens; the new domain name is allowed for registration, which is unique in Ulord. The user is supported for cancellation of domain name. After the domain name is cancelled, the domain name is automatically released. To support the integrity of the domain name tree, we modify the block structure of blockchain and adds a field Domain Claimtrie.
Properties of smart contract
Ulord has attribute of smart contract, and introduces the design concept of gas. But Ethernet gas consumes gas in each operation. Compared to the gas concept of Ethernet, Ulord adopts a more simplified and abstract method. The resources and site posted on Ulord by user will consume resources on the Ulord network. Therefore when the user releases resources or site, a certain amount of UlordTokens is needed to bound. With growing of block height, UlordToken will be gradually consumed, and the user needs to recharge the new UlordTokens to the corresponding address to ensure the ownership of domain name. At the same time, through sidechain technology, it can be compatible with Ethernet virtual machine, release smart contract, and allow users to publish their tokens. There is a certain proportion of exchange relationship between tokens and UlordToken. Ulord allows users to customize their releasing of site service, and through the issuance of their tokens, they can operate their own sites.

6 .Consensus algorithm

Ulord combines PoW (Proof of Work) and PoS (Proof of Storage) as the consensus algorithm. Among them, PoW uses the self-designed CryptoHello algorithm. The algorithm uses multiple serial cryptographic primitive operation. With the characteristics of computer architecture, it has the mining characteristics of permanent prevention of ASIC. POS mechanism is to encourage more master nodes to join. By providing more storage space, it brings in revenue for their own, and provides massive distributed storage space for Ulord.
PoW implementation mechanism
To make full use of idle resources for mining, Ulord uses the CPU mining algorithm CryptoHello. We have learned from the memory-hard PoW algorithm design ideas, combined with the features of the CPU, GPU, ASIC and other architecture, and designed a PoW algorithm CryptHello for CPU architecture optimization.
The method has 3 steps:use a pseudo-random sequence to initialize the working memory, modify the working memory, and produce the final result based on the working memory contents. As shown in Figure 8
In the initialization of the working memory stage, the input is calculated using the SHA3 function to initialize the linear congruence pseudo-random number generator seed. The working memory is continuously filled in units of K blocks (32 bytes per block), where the former K-1 block is generated by a pseudo-random number generator, and the last block is a random selection of one of the hash function families (16 different hash functions) based on the previously filled content and updates the random number generator seed.
At the initial modification of the memory, the SHA3 function is used to generate the seed of the random number generator based on the last piece of the work memory, and a state variable whose length is L bytes is initialized. This is followed by C main cycles, in each of which 64L subcycles will be performed. In the subcycle, a pair of addresses will be generated by the random number generator. The byte data in the two addresses in the work memory and the byte data in the state vector are combined and exchanged using exclusive OR methods to update the memory contents and state vector contents. After the end of the sub-cycle, the function vector of the hash function family will be used to update the state vector and re-initialize the random number generator seed. According to the existing parameter design, one quarter of the working memory will be modified.
In the final result generation phase, the content of d (a random number no greater than D) blocks in the contiguous XOR memory is updated with the hash function family, and d is recalculated to the last block of the working memory. Finally the SHA3 function is used to form the final result.
The main features of the above algorithm include:
a. The working memory capacity selects the CPU-oriented cache capacity optimization, but it is difficult for the GPU or the ASIC to meet the memory capacity requirement for executing a large number of PoW algorithms at the same time;
b. A family of hash functions constructed by 16 hash functions is randomly selected and executed. This will increase the chip area to realize ASIC, and it will cause the GPU’s multi-threaded execution of different paths, reducing its parallelization efficiency;
c. Strict serial execution sequence are used during the working memory modification stage, and they are accessed in units of bytes to control the execution parallelism of the ASIC or GPU and significantly reduce the memory system efficiency;
d. The control logic of the entire scheme is complex, the required memory capacity is large, and the memory access address is irregular. It is difficult to implement the ASIC by using a conventional method of stacking a large number of acceleration component modules.
The actual test shows that the above performance of PoW on the CPU is proportional to its number of cores.
PoS implementation mechanism
The main reason for collapse of bitcoin network node is lack of reward for running nodes. With the passage of time, more and more users will be connected to the whole network, so demand for bandwidth will become higher, demand for funds from node operator will be more, then the operation cost of the nodes increase. Considering rising cost, node operator must reduce their operating costs or operation light client, but this is not conducive to network health. The introduction of the master node technology can effectively avoid reduction of master node and prolong communication time. In Ulord, QoS is considered in the selection of master node, and master node is a full node. Block and trading can spread quickly through master node. Operation of a master node needs 10000 UlordTokens and more than 1TB of storage space. The deposit stored in the master node is not lost, which allows investor to earn certain return on investment when providing service for the whole net to reduce the UlordToken price volatility. In the Ulord network, the master node will account for 25% of the entire network revenue.

7. Privacy protection

Ulord uses the most popular privacy protection zk-SNARK technology to protect the trading privacy. In Ulord blockchain, to create a valid transaction includes the following three things:
a. Ensure that the currency in the address has not been spent in previous trading;
b. The sender proves that he is the currency “holder” in the way of authorized signature;
c. The transaction input is equal to output.
The ledger itself proves the money is not spent out before and does not require sender to do anything. The sender only proves that he is holder of the currency, and hopes to send out the currency in the way of electronic signature through the private key corresponding to address. To make the signature verified, the sender’s address must be open. Correspondingly, receiver must publicly accept his address to finish the transaction. In Ulord, it is simple to verify that the input and output of the transaction are equal, because the number of transmission is completely exposed.
Zero knowledge proof (specifically, zk-SNARKs) to verify the above three elements can protect privacy of users from revealing, without exposing sender, receiver and transferring amount. Every successful transaction is accompanied with zk-SNARK, and it proves that: the input asset exists, and has not been previously spent. The person who creates the transaction authorizes the transaction cost, and the input number and type are equal to the output number and type. The information for cost output (that is to create a new zk-SNARK) is attached to the transaction. It is encrypted with the public key of payee, and only used for the payee.
Figure 11 zk-SNARK technology protects transaction privacy
8.Instant payment
With the master node technology, the users can send and receive instant irreversible transaction. Once the instant transaction forms, the input of transaction is locked to the corresponding particular transaction, currently, the locking time of the whole net transaction is about 4 seconds. If a locking consensus is reached in the master node network, all transactions and blocks against it will always be refused, unless they can match the corresponding transaction ID which was locked at that time.
In this way, users can purchase goods and services through Ulord and receive payment confirmation quickly, without intervention from any centralized organization. Ulord can easily meet relevant business scenarios for instant payment.
submitted by ulordchain to u/ulordchain [link] [comments]

Bitcoining: a simple guide to get you started

Continuum pool is recommended over deepbit, read this post to use that instead. Instructions are virtually the same.
https://deepbit.net/
Sign up for an account. Choose proportional mode.
Download this and this and this.
First one you just extract. Second one is your mining program. Third one is your wallet where you keep track of all your bitcoins.
So you have a deepbit account, right? Well anyways after everything is extracted and installed open up your bitcoin.exe. There is a long string of text near the top in a box. That is your address. That is how you get paid and pay others. Copy that and then goto your account and paste it into the "Your bitcoin address for receiving rewards" box. Save settings.
Now go back to your account and click create worker. Set the worker's login tail to 0 and the password to anything you will remember. Leave payout as proportional and click save settings.
Open up GuiMiner. File>new other miner and navigate to where you extracted that third link(the one with 4 .exes). Select rpcminer-cuda.exe for your new other miner. Name it CUDA. In the guiminer tab for this new miner(the CUDA tab) set the server to other.
Host: pit.deepbit.net
Port: 8332
Username: [email protected]_0 you must add the _0
Password: The password of your created worker
Extra flags: Only needed for more than 1 graphics card, if this is true, read part 2
Go into guiminer and do file > save settings. Now click start mining. The number of MHash/s is completely dependent on your graphics card's power. I have 2 cards that get about 30 MH/s each. To check your mined coins go here.
Okay, so now just a bit of explaining. Your deepbit account is merely a holding place for your coins. To actually spend them you need to payout to your address. To do this goto your account and click the Payment link. You can only pay out if you have over 0.01 BTC. When you pay out it will appear in your bitcoin.exe, it takes a while the first time and every payment after that it is near instantaneous. Once it is in your bitcoin.exe congratulations, you now have bitcoins to spend. To spend them you just get the address of the person who you are sending them to then click the send button on bitcoin.exe, put in their address and the amount.
Also, goto C:\Users\USERNAME\AppData\Roaming\Bitcoin (if you're on windows7) and backup your wallet.dat file. That is your wallet. It has all of your money. Don't delete it.
Part 2, multiple graphics cards.
I have 2 graphics cards so setup took a bit more for me, if you have only 1 ignore this section.
Only a few things you need to do. Go to your deepbit account and click "create new worker". For worker login tail set it to 1. Set the password to something you will remember. Leave payment proportional. Save settings. Now go to your guiminer. In your original CUDA tab with your username as [email protected]_0 go into the extra flags and put in "-gpu=0". Now go to file>new other worker and choose the rpcminer-cuda.exe as before. Name it CUDA2. In the CUDA2 tab have the following settings.
Server: other
Host: pit.deepbit.net
Port: 8332
Username: [email protected]_1 must have the _1
Password: The password you set when you made the new worker on deepbit.
Extra flags: -gpu=1
So you end up with 2 tabs, a CUDA tab that has all the same settings except the email ends in _0 and the extra flags as -gpu=0 and a CUDA2 tab with the email ending in _1 and extra flags are -gpu=1.
File>save settings in guiminer and click start mining on both tabs.
A final piece of advice. This will use your GPU heavily, if you are gaming or anything else and notice that video is lagging go to the tray in the bottom right, find the GuiMiner icon and right click it and close it. Do not click stop mining in guiminer.exe. This always crashes my computer and will likely crash yours. Just close the program from the tray.
If you enjoyed this and I made you free money please donate to me at 1JZbKwV9Rddth7R7MnZSss1EGK2DeXTyZZ
submitted by okiyama to beermoney [link] [comments]

12-08 11:53 - 'Hashcash - is a proof-of-work system used to limit email spam and denial-of-service attacks, and more recently has become known for its use in bitcoin (and other cryptocurrencies) as part of the mining algorithm. / Hashrate -...' by /u/champcrypto removed from /r/Bitcoin within 0-3min

'''
Hashcash - is a proof-of-work system used to limit email spam and denial-of-service attacks, and more recently has become known for its use in bitcoin (and other cryptocurrencies) as part of the mining algorithm.
Hashrate - is the number of hashes that can be performed by a bitcoin miner in a given period of time (usually a second).
Initial Coin Offering - (ICO) is an event in which a new cryptocurrency sells advance tokens from its overall coinbase, in exchange for upfront capital. ICOs are frequently used for developers of a new cryptocurrency to raise capital.
A ledger - is an append-only record store, where records are immutable and may hold more general information than financial records.
Litecoin - is a peer-to-peer cryptocurrency based on the Scrypt proof-of-work network. Sometimes referred to as the silver of bitcoin’s gold.
Mining - is the process by which transactions are verified and added to a blockchain. This process of solving cryptographic problems using computing hardware also triggers the release of cryptocurrencies.
Multi-signature - (multisig) addresses allow multiple parties to require more than one key to authorize a transaction. The needed number of signatures is agreed at the creation of the address. Multi signature addresses have a much greater resistance to theft.
A node - is any computer that connects to the blockchain network.
A full node - is a node that fully enforces all of the rules of the blockchain.
Peer-to-peer - (P2P) refers to the decentralized interactions that happen between at least two parties in a highly interconnected network. P2P participants deal directly with each other through a single mediation point.
A permissioned ledger - is a ledger where actors must have permission to access the ledger. Permissioned ledgers may have one or many owners. When a new record is added, the ledger’s integrity is checked by a limited consensus process. This is carried out by trusted actors — government departments or banks, for example — which makes maintaining a shared record much simpler that the consensus process used by unpermissioned ledgers.
Permissioned blockchains - provide highly-verifiable data sets because the consensus process creates a digital signature, which can be seen by all parties.
A private key - is a string of data that shows you have access to bitcoins in a specific wallet. Private keys can be thought of as a password; private keys must never be revealed to anyone but you, as they allow you to spend the bitcoins from your bitcoin wallet through a cryptographic signature.
Proof of Authority - is a consensus mechanism in a private blockchain which essentially gives one client (or a specific number of clients) with one particular private key the right to make all of the blocks in the blockchain.
Proof of Stake - is an alternative to the proof-of-work system, in which your existing stake in a cryptocurrency (the amount of that currency that you hold) is used to calculate the amount of that currency that you can mine.
Proof of Work - is a system that ties mining capability to computational power. Blocks must be hashed, which is in itself an easy computational process, but an additional variable is added to the hashing process to make it more difficult. When a block is successfully hashed, the hashing must have taken some time and computational effort. Thus, a hashed block is considered proof of work.
Protocols - are sets of formal rules describing how to transmit or exchange data, especially across a network.
Ripple - (or Cripple lol) is a payment network built on distributed ledgers that can be used to transfer any currency. The network consists of payment nodes and gateways operated by authorities. Payments are made using a series of IOUs, and the network is based on trust relationships.
A scrypt - is an alternative proof of work system to SHA-256, designed to be particularly friendly to CPU and GPU miners, while offering little advantage to ASIC miners.
SHA 256 - is the cryptographic function used as the basis for bitcoin’s proof of work system.
Smart contracts - are contracts whose terms are recorded in a computer language instead of legal language. Smart contracts can be automatically executed by a computing system, such as a suitable distributed ledger system.
A softfork - is a change to the bitcoin protocol wherein only previously valid blocks/transactions are made invalid. Since old nodes will recognize the new blocks as valid, a softfork is backward-compatible. This kind of fork requires only a majority of the miners upgrading to enforce the new rules.
Stream ciphers - are a method of encrypting text (cyphertext) in which a cryptographic key and algorithm are applied to each binary digit in a data stream, one bit at a time.
A token - is a digital identity for something that can be owned.
A tokenless ledger - refers to a distributed ledger that doesn’t require a native currency to operate.
A transaction block - is a collection of transactions on the bitcoin network, gathered into a block that can then be hashed and added to the blockchain.
Transaction fees - are small fees imposed on some transactions sent across the bitcoin network. The transaction fee is awarded to the miner that successfully hashes the block containing the relevant transaction.
Unpermissioned ledgers - such as Bitcoin have no single owner — indeed, they cannot be owned. The purpose of an unpermissioned ledger is to allow anyone to contribute data to the ledger and for everyone in possession of the ledger to have identical copies.
A wallet - is a file that contains a collection of private keys.
Satoshi Nakamoto - is the name used by the unknown person or persons who designed bitcoin and created its original reference implementation. As a part of the implementation, he also devised the first blockchain database. In the process he was the first to solve the double spending problem for digital currency.
The satoshi - is currently the smallest unit of the bitcoin currency recorded on the block chain. It is a one hundred millionth of a single bitcoin (0.00000001 BTC).
source: [link]1
'''
Context Link
Go1dfish undelete link
unreddit undelete link
Author: champcrypto
1: https://steemit.com/blockchain/@mio31337/69-common-terms-in-blockchain-vocabulary
submitted by removalbot to removalbot [link] [comments]

iwtwe's Total Noob Starting Guide. much noob..such help...very inform...wow

NOTE for seasoned miners, if I have made a mistake or if there is an easier way of configuring the miners or if I left something out, please do not hesitate to contact me about it so that I can edit this post accordingly. Let's help new people out so that the community will continue to grow! many thanks...wow
Hey you. Yes you with the eyes. Are you new to the world of crypto coin mining? Have no idea what a dogecoin is? Want to start mining dogecoins today and just can't seem to figure it out or get it to work?
Well have I got much help for you! About a week ago, I finally started mining after two painful days of trying to get it to work. Basically, I was a total noob and didn't really understand anything about mining in general. Because of the joy mining has brought me so far I am writing this guide to hopefully help out new members or other total noobs.
It's safe to say I've been bitten by the dogecoin bug. I started out with a measly 50 khash/sec and made approximately 10 coins in 12 hours. * My reaction when I finally got my miner to work * Reaction cont.
Now I'm up to 500 khash/sec after figuring out all the 'nuts and bolts' of mining. wow...such optimization...many hash
I'll break this guide down into three categories: Detailed Info, CGMiner Config for AMD Cards, and lastly, CUDAMiner for Nvidia cards.
Detailed Info very words....wow
A dogecoin is a type of crypto currency that is traded against bitcoins in a crypto currency marketplace.
You can earn dogecoins by contributing hashes (computing power) to a mining pool to help find a block.
There are a certain amount of dogecoins that will be released. These coins are released in the form of a block ranging in quantity of 1-1,000,000 doge coins. It is worth noting that the total quantity of coins per block will soon be halved to just 500,000.
Things you will need to mine: * dogecoin wallet * computer with a GPU * an account with a mining pool * a worker for the mining pool * mining software
1) [http://dogecoin.com](Download the doge coin wallet and install it)
2) Turn off your computer's anti-virus software and allow the dogecoin wallet through your fire wall. *VERY IMPORTANT
3) Run the dogecoin wallet and let it sync with the network. It is important to note that this can take a short amount of time or even up to 12 hours to complete. Just be patient. Use that time to research mining more.

Once your wallet has synced with the network, it is time to sign up with a mining pool. Think of a mining pool as a virtual supercomputer that is made up of many smaller computers connected together. This pool or 'super computer' allows for greater processing power. More processing power = greater chance of the pool finding a block.

Finding a pool
"Dear shibes!
Be careful when running Java and/or entering the usepass on sites. There are phishing sites out there that imitate other pools to steal your data.
When accessing a mining pool, DO NOT follow any redirects, always access the site directly and check the URL. For extra security, make sure you're using https://
Don't run Java!" <--- not my words, but very good warning to take into consideration
1) Perform a quick google search or use the links in the side bar to find a pool!
2) For this example I will be using https://fast-pool.com/index.php (I in no way, shape, or form endorse this particular pool. It was the first one I clicked. Feel free to use any pool you want, as the sites are all the same.)
3) You're going to want to click "Sign Up" in the menu on the left of the page. After clicking, sign up for an account.
4) After signing up for an account, log into your account. (For the sake of my example my mining pool site username will be "Shibe")
5) Now we will create a pool worker. Click "My Workers" in the menu on the left side of the page.
6) Choose a worker name and worker password and click submit. *NOTE THE WORKER NAME IS NOT THE SAME AS YOUR ACCOUNT USERNAME
7) For the sake of the example my workers name is "worker1" and the password is "x". *Note capitalization matters so don't forget it.
Now we will download a mining software and configure it to mine.
Before we do that I want to clarify what the info we will be using to configure our miner is.
1) Click "Getting Started"
In my example pool under getting started you will see this in "Step 3":
  1. Configure your miner.
    Settings for Stratum (recommended): STRATUM: stratum+tcp://fast-pool.com PORT: 3336 Username: Weblogin.Worker Password: Worker Password
If you use a command-line miner, type:
./cgminer --scrypt -o stratum+tcp://fast-pool.com:3336 -u Weblogin.Worker -p Worker password
The above explained:
Final Step Regarding Mining Pools
We need to add our payment address to our mining pool account so that we can receive the dogecoins we help mine.
1) Click "Edit Account" on the menu on the left side of the page.
2) Scroll down until you see "PAYMENT ADDRESS".
3) Minimize the webpage and go to your doge coin wallet.
4) In your dogecoin wallet click the "Much Receive" tab.
5) You will see the Label "Default" with an "Address" composed of a long random string of letters and numbers.
6) Right-click that string of random numbers and letters and select "copy address".
7) Maximize the pools webpage again and paste that address into "PAYMENT ADDRESS".
8) Enter you pin and click "Update Account".
WE'RE NOW READY TO DOWNLOAD A MINER such hooray....many celebrate
IF YOU HAVE AN AMD CARD, THIS SECTION IS FOR YOU!
*Note AMD cards are much better for mining than Nvidia. It's just the way it is!
We will be using cgminer to mine dogecoins with our AMD cards.
While there are newer versions of cgminer avaliable you're going to want to download cgminer version 3.7.2 because any higher versions do not support GPU mining.
1) Make sure your AMD drivers are up to date.
2) This version of cgminer is now only available on gitub at this url. The option to download the zip file in on the bottom left right side column.
3) After downloading the file, extract its contents to a folder on your desktop.
4) Before we do that go to Control Panel Folder Options View select "Show hidden files, folders, and drives" and click apply.
BEFORE YOU TRY THE BELOW, RUN THE APPLICATION AND INPUT THE SERVER URL:PORT (stratum+tcp://fast-pool.com:3336) "enter" USERNAME (Shibe.worker1) "enter" and PASSWORD (x) "enter".
*If the application runs without giving you errors hit the [S] and select "create config file" and hit enter.
5) If that didn't work, we will make a .conf file that allows cgminer to run correctly.
6) Now go to the folder you extracted cgminer into.
7) Right-click anywhere in the folder and select "New" Text document.
8) Right-click the new text document you just created and select "Edit".
9) Copy and paste the following into that new text document leaving no space at the top and enter the appropriate pool information accordingly. Noticed I used my STRATUM info from my example.
IF YOU HAVE ONLY ONE GPU USE THE BELOW
{ "pools" : [ { "url" : "stratum+tcp://fast-pool.com:3336", "user" : "Shibe.worker1", "pass" : "x" } ] , "intensity" : "10", "vectors" : "1", "worksize" : "256", "kernel" : "scrypt", "lookup-gap" : "0", "thread-concurrency" : "0", "shaders" : "0", "gpu-engine" : "0-0", "gpu-fan" : "0-0", "gpu-memclock" : "0", "gpu-memdiff" : "0", "gpu-powertune" : "0", "gpu-vddc" : "0.000", "temp-cutoff" : "95", "temp-overheat" : "0", "temp-target" : "0", "api-mcast-port" : "4028", "api-port" : "4028", "expiry" : "120", "gpu-dyninterval" : "7", "gpu-platform" : "0", "gpu-threads" : "1", "hotplug" : "5", "log" : "5", "no-pool-disable" : true, "queue" : "0", "scan-time" : "30", "scrypt" : true,
IF YOU HAVE TWO GPU's IN CROSSFIRE USE THE BELOW CODE
{ "pools" : [ { "url" : "stratum+tcp://fast-pool.com:3336", "user" : "Shibe.worker1", "pass" : "x" } ] , "intensity" : "10,10", "vectors" : "1,1", "worksize" : "256,256", "kernel" : "scrypt,scrypt", "lookup-gap" : "0,0", "thread-concurrency" : "0,0", "shaders" : "0,0", "gpu-engine" : "0-0,0-0", "gpu-fan" : "0-0,0-0", "gpu-memclock" : "0,0", "gpu-memdiff" : "0,0", "gpu-powertune" : "0,0", "gpu-vddc" : "0.000,0.000", "temp-cutoff" : "95,95", "temp-overheat" : "0,0", "temp-target" : "0,0", "api-mcast-port" : "4028", "api-port" : "4028", "expiry" : "120", "gpu-dyninterval" : "7", "gpu-platform" : "0", "gpu-threads" : "1", "hotplug" : "5", "log" : "5", "no-pool-disable" : true, "queue" : "0", "scan-time" : "30", "scrypt" : true, "temp-hysteresis" : "3", "shares" : "0", "kernel-path" : "/uslocal/bin" }
10) Click save-as Save as type, "All files" and rename the document to: cgminer.conf
11) Click save and run program.
12) If it still doesn't work try changing the intensity to a lower number or changing the workspace value to 64.
Everything should work now. If I have made any errors or if there are easier ways of doing this please let me know so that I can edit this. This is just what worked for me.
IF YOU HAVE A NVIDIA CARD THIS SECTION IS FOR YOU!
Before we do anything, go to Control Panel Folder Options View select "Show hidden files, folders, and drives" and click apply.
We will be using Cudaminer version 2013-07-13 https://mega.co.nz/#!hVREmSKA!VaGCdh3Ykfp-e8IOTFWaEXJGMa1JNVqPcdxawkCPRSE
1) Download Cudaminer version 2013-07-13 from that link and extract the contents to a folder on the desktop.
2) Open that folder and look for the Application.
3) When you've found the location of the Application it's-self you're going to right-click anywhere in the folder and select "New" Text document.
8) Right-click the new text document you just created and select "Edit".
9) Copy and paste this to the top line of the blank text document leaving no space in front and input the appropriate url, username and password from whatever pool you use. (I will be using my example pool info stated earlier in this post):
cudaminer.exe -o stratum+tcp://fast-pool.com:3336 -u Shibe.worker1 -p x
10) Click save-as Save as type, "All files" and rename the document to: Launch.bat
11) Click save.
12) Double click the Launch.bat file you just created to run the program.
13) Wait for the program to auto-tune your settings and then it will start mining automatically.
Everything should work now. If I have made any errors or if there are easier ways of doing this please let me know so that I can edit this. This is just what worked for me.
submitted by iwtwe to dogecoin [link] [comments]

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