Open Source C++ Blockchain Software

C++ Blockchain Software

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  • 1
    NiceHash Miner

    NiceHash Miner

    NiceHash easy to use CPU & GPU miner

    NiceHash Miner is an easy to use CPU & GPU cryptocurrency miner for Windows. With a simple an intuitive graphical user interface it allows you to quickly turn your PC, workstation or server into money-making cryptocurrency mining machine. Why leave your computer idle, whereas it could earn you Bitcoins with just a few clicks? NiceHash Miner is essentially the only tool a miner needs. No need to go through tons of configuration files, various mining software versions, configuration tuning or cryptocurrency coins market analysis. Auto-tuning for best performance and efficiency, automatic selection and runtime automatic switching to most profitable cryptocurrency algorithm are all integrated into NiceHash Miner and will enable you seamless, joyful and profitable mining experience.
    Downloads: 21 This Week
    Last Update:
    See Project
  • 2
    Bitcoin

    Bitcoin

    A software-based online payment system

    Bitcoin is a decentralized P2P electronic cash system without a central server or trusted parties. Users hold the crypto keys to their own money and transact directly with each other, with the help of the network to check for double-spending.
    Downloads: 86 This Week
    Last Update:
    See Project
  • 3
    Bitcoin ABC

    Bitcoin ABC

    This a mirror of the official Bitcoin-ABC repository

    The goal of Bitcoin ABC is to create sound money that is usable by everyone in the world. We believe this is a civilization-changing technology which will dramatically increase human flourishing, freedom, and prosperity. The project aims to achieve this goal by implementing a series of optimizations and protocol upgrades that will enable peer-to-peer digital cash to scale many orders of magnitude beyond current limits. eCash is a digital currency that enables instant payments to anyone, anywhere in the world. It uses peer-to-peer technology to operate with no central authority: managing transactions and issuing money are carried out collectively by the network. eCash is a descendant of Bitcoin. Bitcoin ABC is the name of open-source software which enables the use of eCash. It is a fork of the Bitcoin Core software project.
    Downloads: 15 This Week
    Last Update:
    See Project
  • 4
    Dogecoin Core

    Dogecoin Core

    Dogecoin is a community-driven cryptocurrency

    Dogecoin is a community-driven cryptocurrency that was inspired by a Shiba Inu meme. The Dogecoin Core software allows anyone to operate a node in the Dogecoin blockchain networks and uses the Scrypt hashing method for Proof of Work. It is adapted from Bitcoin Core and other cryptocurrencies. You have to sync with the blockchain to use Dogecoin. MultiDoge is a "light" wallet. It syncs with the blockchain by "skimming" through the blockchain, providing fast sync times. Dogecoin Core, on the other hand, is a "full" wallet. It syncs by downloading it, providing a solid-working Dogecoin wallet. Dogecoin sets itself apart from other digital currencies with an amazing, vibrant community made up of friendly folks just like you. Pick a Wallet from our selection. A Wallet is used for holding your Dogecoins directly on your Computer/Smartphone.
    Downloads: 13 This Week
    Last Update:
    See Project
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  • 5
    Solidity

    Solidity

    The Smart Contract Programming Language

    Solidity is a statically-typed curly-braces programming language designed for developing smart contracts that run on Ethereum. Solidity 0.8.4 adds custom structured errors, allows more flexible configuration of the SMTChecker and fixes a bug in the Solidity ABI decoder v2. Read more about the bug here. With v0.8.4, errors can be defined inside and outside of contracts (including interfaces and libraries). This provides a convenient and gas-efficient way to explain to users why an operation failed. As a relatively young language, Solidity is advancing at a rapid speed. We aim for a regular (non-breaking) release every 2-3 weeks, with approximately two breaking releases per year. You can follow the implementation status of new features in the Solidity Github project. You can see the upcoming changes for the next breaking release by switching from the default branch (develop) to the breaking branch.
    Downloads: 11 This Week
    Last Update:
    See Project
  • 6
    Bitcoin

    Bitcoin

    Bitcoin Core integration/staging tree

    Bitcoin Core connects to the Bitcoin peer-to-peer network to download and fully validate blocks and transactions. It also includes a wallet and graphical user interface, which can be optionally built. Bitcoin Core requires a one-time download of about 400GB of data plus a further 5-10GB per month. By default, you will need to store all of that data, but if you enable pruning, you can store as little as 6GB total without sacrificing any security. For more information about setting up Bitcoin Core, please read the full node guide. Download verification is optional but highly recommended. Performing the verification steps here ensures that you have not downloaded an unexpected or tampered version of Bitcoin, which may result in loss of funds. Experienced users who don't mind performing additional steps can take advantage of Bitcoin Core's reproducible builds and the signed checksums generated by contributors who perform those builds.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 7
    Bitcoin Armory

    Bitcoin Armory

    Python-Based Bitcoin Software

    Bitcoin Armory is an advanced Bitcoin wallet management platform focused on security, cold storage, and power-user features. Designed for technically inclined users, it provides tools for managing private keys offline, signing transactions without exposing wallets to the internet, and creating air-gapped setups. Armory offers multi-signature support, deterministic wallets, and secure backups, making it suitable for enterprise-grade or high-value Bitcoin storage.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 8
    XMR-Stak

    XMR-Stak

    Unified All-in-one Monero, Sumokoin, Aeon and other Cryptonote miner

    XMR-Stak is a universal Stratum pool miner. This miner supports CPUs, AMD and NVIDIA GPUs and can be used to mine the crypto currencies Monero, Aeon and many more Cryptonight coins.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 9
    Litecoin Core integration

    Litecoin Core integration

    Litecoin source tree

    Litecoin is a peer-to-peer Internet currency that enables instant, near-zero cost payments to anyone in the world. Litecoin is an open-source, global payment network that is fully decentralized without any central authorities. Mathematics secures the network and empowers individuals to control their own finances. Litecoin features faster transaction confirmation times and improved storage efficiency than the leading math-based currency. With substantial industry support, trade volume and liquidity, Litecoin is a proven medium of commerce complementary to Bitcoin. Litecoin is an open-source software project released under the MIT/X11 license which gives you the power to run, modify, and copy the software and to distribute, at your option, modified copies of the software. The software is released in a transparent process that allows for independent verification of binaries and their corresponding source code.
    Downloads: 5 This Week
    Last Update:
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  • 10
    Krypto-trading-bot

    Krypto-trading-bot

    Self-hosted crypto trading bot, automated high frequency market

    K is a family of (very customizable) very low latency market-making trading bots with a fully featured web interface. It can place and cancel orders on one of the several compatible exchanges in less than a few milliseconds per order on a decent machine. If you don't want to configure or hardcode your own trading strategies in your own machine, you can run strategies from someone else at kryll.io (or at any other trading community out there). Our bots run on unix-like systems. Persistence is achieved through a built-in server-less SQLite C++ interface. Data transfers are directly done from your machine to the exchange using the latest CURL and OpenSSL versions. Installation in a dedicated Debian, Raspberry, Red Hat, CentOS or macOS instance without Docker is recommended. The web UI is compatible with most web browsers/resolutions, but Brave or Firefox at 1600px are recommended. Doesn't require configuration of any web server (unless installed behind your own reverse proxy).
    Downloads: 4 This Week
    Last Update:
    See Project
  • 11
    XMRig Proxy

    XMRig Proxy

    Monero (XMR) Stratum protocol proxy

    Extremely high-performance CryptoNote stratum protocol proxy. Works with any pool and any miner with nicehash support. Can easily handle over 100K connections on a cheap $5 (1024 MB) virtual machine. Reduce the number of pool connections up to 256 times, 100K workers become just 391 workers on the pool side. Written on C++/libuv same as XMRig miner.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 12
    Monero

    Monero

    Secure, Private Digital Currency

    Monero is a secure, private, untraceable cryptocurrency. It is decentralized-- dependent on a distributed peer-to-peer consensus network where every transaction is cryptographically secured. With Monero you are your own bank, you control your funds and can spend safely. No one else can see your balances, track your transfers or any other transactions unless you allow them to. Monero uses ring signatures, ring confidential transactions, and stealth addresses making it absolutely private and untraceable. No transactions can ever be linked to a particular user or real-world identity. And because it is private by default, it is fungible or mutually interchangeable, and cannot be blacklisted due to their association with previous transactions.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 13
    The XRP Ledger

    The XRP Ledger

    A decentralized cryptographic ledger

    The XRP Ledger is an open source, decentralized and permissionless blockchain technology powered by a network of peer-to-peer servers. It allows for really fast settlement of transactions- within 3-5 seconds- without a central intermediary and in a secure distributed database. The native digital asset on the XRP Ledger is the XRP. A public,counterparty-free asset, it is designed to bridge many different currencies being used worldwide, and is available for anyone to access and trade on the open market. XRP is faster, less costly and more scalable than any other digital asset today, and is currently being used by the company Ripple to build technology that can transform global payments. Learn more on https://ripple.com/xrp
    Downloads: 3 This Week
    Last Update:
    See Project
  • 14
    Trust Wallet Core

    Trust Wallet Core

    Cross-platform, cross-blockchain wallet library

    Trust Wallet Core is an open source, cross-platform, mobile-focused library implementing low-level cryptographic wallet functionality for a high number of blockchains. It is a core part of the popular Trust Wallet, and some other projects. Most of the code is C++ with a set of strict C interfaces, and idiomatic interfaces for supported languages: Swift for iOS and Java for Android. Wallet Core supports more than 50 blockchains, Bitcoin, Ethereum, Binance Chain, and most major blockchain platforms. For new coins, you need to implement address handling and signing functionality in the wallet-core. For new coins on already supported blockchains or variations of already supported blockchains, please consider proper reuse of existing implementation. The Trust Wallet development team is always striving to add more blockchains that will be essential for developers and wallet users. We choose blockchains carefully based on the impact they will have for our community.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 15
    XMRig AMD

    XMRig AMD

    Monero AMD (OpenCL) miner

    XMRig is a high-performance Monero (XMR) OpenCL miner, with the official full Windows support.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 16
    Aleth

    Aleth

    Aleth – Ethereum C++ client, tools and libraries

    The collection of C++ libraries and tools for Ethereum, formerly known as cpp-ethereum project. This includes the full Ethereum client aleth. Git and GitHub are used to maintain the source code. The --recursive option is important. It orders git to clone additional submodules to build the project. If you missed --recursive option, you are able to correct your mistake with command git submodule update --init. CMake is used to control the build configuration of the project. Latest version of CMake is required (at the time of writing 3.9.3 is the minimum). We strongly recommend you to install CMake by downloading and unpacking the binary distribution of the latest version available on the CMake download page. Configure the project build with the following command to create the build directory with the configuration. After the necessary dependencies have been downloaded and built and the solution has been generated, aleth.sln can be found in the build directory.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 17
    Monero P2Pool

    Monero P2Pool

    Decentralized pool for Monero mining

    Decentralized pool for Monero mining. No central server that can be shutdown/blocked. P2Pool uses a separate blockchain to merge mine with Monero. Pool admin can't go rogue or be pressured to do an attack on the network because there is no pool admin.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 18
    Nano

    Nano

    Nano is a cryptocurrency

    Nano is a digital currency for everyone, without fees. It doesn't cost anything to send nano, making it practical and inclusive for all the world. Without relying on mining, printing, or minting, nano is a sustainable solution to money. You don't have to wait to use digital currency, nano is ready when you are. Just like the cash in your pocket, choosing to transact with nano ensures that 100% of the value is transferred directly to the recipient. Created to facilitate both local and international payments, choosing to use nano makes moving money across borders effortless and feeless. Explore the rich ecosystem of apps, merchants, and exchanges. Nano is a digital payment protocol designed to be accessible and lightweight, with a focus on removing inefficiencies present in other cryptocurrencies. With ultrafast transactions and zero fees on a secure, green, and decentralized network, this makes Nano ideal for everyday transactions.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 19
    Qtum

    Qtum

    Qtum Core Wallet

    Qtum is a decentralized blockchain project built on Bitcoin's UTXO model, with support for Ethereum Virtual Machine-based smart contracts, and secured by a proof of stake consensus model. It achieves this through the revolutionary Account Abstraction Layer which allows the EVM to communicate with Qtum's Bitcoin-like UTXO blockchain. Welcome to the Qtum Ignition Main Network. This is the main network where the tokens hold value and should be guarded very carefully. If you are testing the network or developing unstable software on Qtum, we highly recommend using either testnet or regtest mode. A Proof of Stake consensus system which is optimized for Qtum's contract model. Any user can stake and help to secure the network. There is no voting, master nodes, or minimum amount required. There have been transactions as small as 2 Qtum that have created blocks in the past. Staking from smart contracts is under development.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 20
    BlockSci

    BlockSci

    A high-performance tool for blockchain science and exploration

    The Bitcoin blockchain, currently 280 GB and growing, contains a massive amount of data that can give us insights into the Bitcoin ecosystem, including how users, businesses, and miners operate. BlockSci enables fast and expressive analysis of Bitcoin’s and many other blockchains. Current tools for blockchain analysis depend on general-purpose databases that provide "ACID" guarantees. But that’s unnecessary for blockchain analysis where the data structures are append-only. We take advantage of this observation in the design of our custom in-memory blockchain database as well as an analysis library. BlockSci’s core infrastructure is written in C++ and optimized for speed. (For example, traversing every transaction input and output on the Bitcoin blockchain takes only 1 second on our r5.4xlarge EC2 machine.) To make analysis more convenient, we provide Python bindings and a Jupyter notebook interface.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    Dash Core staging tree

    Dash Core staging tree

    Reinventing cryptocurrency

    Dash is an experimental digital currency that enables instant, private payments to anyone, anywhere in the world. Dash uses peer-to-peer technology to operate with no central authority, managing transactions and issuing money are carried out collectively by the network. Dash Core is the name of the open-source software which enables the use of this currency. Ready to start making everyday purchases with digital cash? DashDirect makes it fast & easy with savings every time you spend! Grab a coffee, buy a plane ticket, or pay your phone bill. Dash is growing and is accepted by new businesses every day. Experience cryptocurrency payments in an enhanced easy-to-use user experience and with social factors like username, contacts, and personalization. Dash is accepted globally by businesses of all shapes and sizes. Our low fees and instant transaction time make Dash the preferred method of payment around the world.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    LBRYcrd

    LBRYcrd

    The blockchain that provides the digital content namespace for LBRY

    LBRYcrd uses a blockchain similar to bitcoin to implement an index and payment system for content on the LBRY network. It is a fork of the bitcoin core. In addition to the libraries used by bitcoin, LBRYcrd also uses icu4c. What if anyone in the world could publish digital content, anyone else in the world could access it (for free or for payment), and that entire system worked without any centralized authority or point of control? LBRY uses a public, proof-of-work blockchain that is very similar to Bitcoin. The blockchain is the foundation of the protocol stack. The most salient feature of the LBRY blockchain is the association of a normalized string of characters (a “name”) with a structured set of metadata. This coupling is called a claim. The LBRY blockchain stores names and metadata in a parallel Merkle tree, separate from the tree used to store transaction data. This allows LBRY URLs to be trustfully resolved even without a full copy of the blockchain.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    WaykiChain

    WaykiChain

    Public Blockchain as a Decentralized Finance Infrastructure Service

    WaykiChain is a high-performance, Turing-complete blockchain platform optimized for decentralized applications and smart contracts. It offers a delegated proof-of-stake (DPoS) consensus mechanism for faster transactions and energy efficiency, and it includes support for DeFi, stablecoins, and governance tools. Designed for commercial-grade use, WaykiChain enables developers to build scalable dApps while offering low-latency transaction processing and customizable consensus rules. It emphasizes financial use cases and provides tools for token issuance, staking, and decentralized governance.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    firo

    firo

    The privacy-focused cryptocurrency

    Firo is a privacy-focused cryptocurrency implementing zero-knowledge proofs to enable anonymous transactions while maintaining decentralization and auditability. Formerly known as Zcoin, Firo pioneered several innovations in privacy tech including the Lelantus protocol, which enables unlinkable and untraceable transactions without the need for trusted setup. It combines cutting-edge cryptographic research with user-friendly features, making it accessible to both everyday users and privacy advocates. Firo’s commitment to privacy extends beyond transactions into governance and community funding.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25

    CGMiner

    ASIC and FPGA miner in C for Bitcoin

    CGMiner is an open source graphical frontend for mining Bitcoins. It supports both pooled and solo Bitcoin mining. The miner supports ASIC/FPGA/GPU mining.
    Downloads: 12 This Week
    Last Update:
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