Blockchain
A blockchain is a digitized, decentralized ledger of transactions. Blockchains record a continuously growing list of records, called blocks, which are linked and secured using cryptography.
- GitHub: https://github.com/topics/blockchain
- Wikipedia: https://en.wikipedia.org/wiki/Blockchain
- Released: 2008
- Related Topics: cryptocurrency, cryptography, bitcoin, ethereum,
- Last updated: 2026-06-19 00:04:12 UTC
- JSON Representation
https://github.com/dalindev/XNOHub.com
π Real-time 3D visualization of Nano cryptocurrency networks - Watch live transactions fly across an interactive globe with π SpaceX-inspired animations
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Last synced: 02 May 2025
https://github.com/blocto/solana-go-sdk
Solana Golang SDK
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Last synced: 12 Apr 2025
https://github.com/volodymyrprokopyuk/go-blockchain
A foundational and practical guide for effectively learning and progressively building a blockchain from scratch in Go with gRPC
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Last synced: 26 Feb 2026
https://github.com/adrianhajdin/project_web3_battle_game
With a stunning design, interactive gameplay, smart wallet pairing, live interaction with smart contracts, and, most importantly, the ability to battle other players in real-time, AvaxGods is the best and the only Web3 battle-style online multiplayer card game that you can currently find on YouTube.
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Last synced: 05 Apr 2025
https://github.com/onflow/flow-nft
The non-fungible token standard on the Flow blockchain
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Last synced: 09 Apr 2026
https://github.com/vininha-carvalho/ultra-low-latency-multi-exchange-crypto-trading-platform
High-performance algorithmic trading software offering ultra-low latency execution on both Solana Raydium DEX and centralized exchanges like Binance and ByBit. Customize strategies, monitor real-time performance, and execute high-frequency trades with minimal slippage and fees.
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Last synced: 24 Feb 2025
https://github.com/MixinNetwork/android-app
π± Android private messenger, crypto wallet and light node to Mixin Network
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Last synced: 09 May 2025
https://github.com/vininha-carvalho/automated-liquidity-management-and-security-for-solana-projects
A powerful tool for projects with liquidity >$10k. It provides automatic pool rebalancing, hacker protection, real-time analytics and cross-chain management.
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Last synced: 27 Feb 2025
https://github.com/hyperledger-iroha/iroha
Iroha: A cutting-edge, enterprise-grade decentralized ledger
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Last synced: 15 May 2025
https://github.com/unboundsecurity/blockchain-crypto-mpc
Protecting cryptographic signing keys and seed secrets with Multi-Party Computation.
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Last synced: 14 May 2025
https://github.com/namecoin/namecoin-core
Namecoin full node + wallet based on the current Bitcoin Core codebase.
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Last synced: 29 Apr 2025
https://github.com/brakmic/BlockchainStore
:moneybag: Retail Store that runs on Ethereum
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Last synced: 10 Jul 2025
https://github.com/reown-com/web-examples
Wallet and dapp examples implementing WalletConnect v2
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Last synced: 27 Dec 2025
https://github.com/hyperledger/fabric-ca
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Last synced: 13 May 2025
https://github.com/smartcontractkit/documentation
https://docs.chain.link The Chainlink developer documentation website for Smart Contract Devs and Node Operators
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Last synced: 14 May 2025
https://github.com/ethereumproject/go-ethereum
Go language implementation of the original/classic design of the Ethereum protocol
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Last synced: 08 Jul 2025
https://github.com/haseeb-qureshi/lets-build-a-blockchain
A mini cryptocurrency in Ruby
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Last synced: 06 Apr 2025
https://github.com/informalsystems/hermes
IBC Relayer in Rust
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Last synced: 29 Dec 2025
https://github.com/joincolony/colonynetwork
Colony Network smart contracts
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Last synced: 21 Jun 2025
https://github.com/enzymefinance/protocol
Enzyme Protocol Implementation
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Last synced: 14 May 2025
https://github.com/Sovereign-Labs/sovereign-sdk
A flexible toolkit for building real-time blockchains
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Last synced: 25 Sep 2025
https://github.com/chia-network/pool-reference
Reference python implementation of Chia pool operations for pool operators
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Last synced: 17 Jun 2025
https://github.com/Chia-Network/pool-reference
Reference python implementation of Chia pool operations for pool operators
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Last synced: 09 May 2025
https://github.com/quillhash/solidity-attack-vectors
This Repository contains list of Common Solidity SmartContract Attack Vectors. If you find any attack vectors missing, you can create a pull request and be a contributor of the project.
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Last synced: 05 Apr 2025
https://github.com/JoinColony/colonyNetwork
Colony Network smart contracts
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Last synced: 17 Apr 2025
https://github.com/suhailkakar/Decentralized-YouTube
An YouTube clone built with React, Solidty and Livepeer
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Last synced: 10 Apr 2025
https://github.com/suhailkakar/decentralized-youtube
An YouTube clone built with React, Solidty and Livepeer
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Last synced: 05 Apr 2025
https://github.com/cosmos/iavl
Merkleized IAVL+ Tree implementation in Go
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Last synced: 14 May 2025
https://github.com/Kava-Labs/kava
DeFi for Crypto.
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Last synced: 03 Apr 2025
https://github.com/w3f/polkadot-wiki
The source of truth for Polkadot.
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Last synced: 19 Jun 2026
https://github.com/byteball/obyte-gui-wallet
Unstoppable money
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Last synced: 14 Apr 2025
https://github.com/nebulasio/wiki
This repository is out of date, please check the new wiki:
Last synced: 18 Jan 2026
https://github.com/iexecblockchaincomputing/iexec-sdk
CLI and JS library allowing developers to easily interact with the iExec stack
Last synced: 05 Mar 2026
https://github.com/fbsobreira/gotron-sdk
Go SDK & CLI for TRON blockchain β build wallets, exchanges, bots & backend services. gRPC client, HD wallets, Ledger support, TRC20/TRC10, multi-sig, staking.
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Last synced: 01 Apr 2026
https://github.com/okcashpro/okcash
Okcash: Your Eco-Friendly, Multi-Chain Digital Currency. Open-source and decentralized, Okcash enables secure, global transactions with no central authority.
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Last synced: 09 May 2025
https://github.com/deeponion/deeponion-legacy
Official Source Repo for DeepOnion - Anonymous Cryptocurrency on TOR Network (legacy)
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Last synced: 11 May 2025
https://github.com/romanovichim/TonFunClessons_ru
FunC lessons for The Open Network
Last synced: 14 Mar 2025
https://github.com/tintinweb/ecdsa-private-key-recovery
A simple library to recover the private key of ECDSA and DSA signatures sharing the same nonce k and therefore having identical signature parameter r
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Last synced: 25 Oct 2025
https://github.com/warp-andy/solana-trading-bot
Solana Trading Bot - RC: For Solana token sniping and trading, the latest version has completed all optimizations
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Last synced: 30 Mar 2025
https://github.com/cosmos/ethermint
Ethermint is a scalable and interoperable Ethereum, built on Proof-of-Stake with fast-finality using the Cosmos SDK.
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Last synced: 03 Apr 2025
https://github.com/theqrl/qrl
Quantum Resistant Ledger
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Last synced: 04 Apr 2025
https://github.com/cypherstack/stack_wallet
Stack Wallet, a multicoin, cryptocurrency wallet
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Last synced: 07 Apr 2026
https://github.com/webankblockchain/smartdev-contract
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Last synced: 05 Apr 2025
https://github.com/theQRL/QRL
Quantum Resistant Ledger
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Last synced: 09 May 2025
https://github.com/near/near-api-js
JavaScript library to interact with NEAR Protocol via RPC API
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Last synced: 25 Jan 2026
https://github.com/onflow/kitty-items
Kitty Items: CryptoKitties Sample App
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Last synced: 27 Apr 2025
https://github.com/quillhash/web3-security-tools
This repository contains a list of the most popular and widely used tools in web3 security. If you find any tools missing, you can create a pull request and be a contribute the project.
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Last synced: 26 Jan 2026
https://github.com/hyperledger/fabric-sdk-py
Hyperledger Fabric Python SDK
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Last synced: 08 Apr 2025
https://github.com/DeFiCh/ain
DeFi Blockchain - enabling decentralized finance on Bitcoin
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Last synced: 09 May 2025
https://github.com/iExecBlockchainComputing/iexec-sdk
CLI and JS library allowing developers to easily interact with the iExec stack
Last synced: 09 May 2025
https://github.com/crytic/blockchain-security-contacts
Directory of security contacts for blockchain companies
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Last synced: 15 May 2025
https://github.com/quillhash/quillaudit_reports
QuillAudits Smart Contracts, deFi, NFT, tokens,Dao , Dex and DApps Audit Reports
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Last synced: 16 May 2025
https://github.com/robinmonjo/coincoin
Blockchain based cryptocurrency proof-of-concept built with Elixir. Feedback welcome
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Last synced: 12 Jan 2026
https://github.com/casper-network/casper-node
Reference node for CASPER protocol
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Last synced: 29 Jan 2026
https://github.com/autonomys/subspace
Subspace Protocol reference implementation
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Last synced: 28 Feb 2026
https://github.com/yessglory17/nft-marketplace
Reactjs And Smart Contracts Open Source Basic Nft Marketplace App
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Last synced: 04 Apr 2025
https://github.com/xelis-project/xelis-blockchain
A private blockDAG with Homomorphic Encryption and Smart Contracts
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Last synced: 05 Feb 2026
https://github.com/slowmist/eos-smart-contract-security-best-practices
A guide to EOS smart contract security best practices
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Last synced: 26 Jan 2026
https://github.com/vatsi2/btc-tax-optimization
Bitcoin whales slash taxes 47%, lock millions offline, and trade undetected. Royen: 2025βs elite crypto fortress. Become untouchable.
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Last synced: 31 Mar 2025
https://github.com/vatsi2/bitcoin-dex-trading-software
Secure Bitcoin trading software, Non-custodial portfolio manager, Multisig crypto wallet, DEX/CEX arbitrage tool, Whale transaction alerts, Tax-ready crypto platform, Bitcoin cold storage integration, Privacy-focused trading terminal, whale alert system Bitcoin, how to automate Bitcoin DCA securely, best offline Bitcoin wallet for large portfolios
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Last synced: 27 Mar 2025
https://github.com/tyrchen/unchained
My personal study of blockchain related technology.
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Last synced: 07 Apr 2025
https://github.com/paradigmxyz/paradigm-ctf-2022
Puzzles used in the 2022 Paradigm CTF
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Last synced: 15 Aug 2025
https://github.com/gymgle/blockchain-reference
blockchain reference and demos
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Last synced: 04 Apr 2026
https://github.com/terra-money/core
GO implementation of the Terra Protocol
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Last synced: 15 May 2025
https://github.com/NebulousLabs/Sia-UI
A Graphical Frontend for Sia - https://sia.tech
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Last synced: 31 Mar 2025
https://github.com/dymensionxyz/dymension
Dymension Hub
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Last synced: 21 Jan 2026
https://github.com/maticnetwork/pos-portal
Smart contracts that powers the PoS (proof-of-stake) based bridge mechanism for Matic Network
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Last synced: 14 May 2025
https://github.com/JoshOrndorff/substrate-recipes
A Hands-On Cookbook for Aspiring Blockchain Chefs
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Last synced: 04 Aug 2025
https://github.com/bnb-chain/javascript-sdk
Javascript SDK to communicate with BNB Beacon Chain.
Last synced: 15 May 2025
https://github.com/planetarium/ninechronicles
Unity client application for Nine Chronicles, a fully decentralized idle RPG powered by the community.
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Last synced: 15 May 2025
https://github.com/mehtaansh/blockchainvoting
A blockchain based E-voting system
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Last synced: 05 Apr 2025
https://github.com/nervosnetwork/ckb-vm
CKB's vm, based on open source RISC-V ISA
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Last synced: 15 May 2025
https://github.com/PegaSysEng/pantheon
An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client
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Last synced: 17 Jul 2025
https://github.com/second-state/soll
SOLL is a new compiler for generate Ewasm from solidity and yul. See a demo here: https://asciinema.org/a/ezJqNLicn5fya02zwu4VXIo8a
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Last synced: 06 Apr 2025
https://github.com/bitcoin-s/bitcoin-s
Bitcoin Implementation in Scala
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Last synced: 01 Apr 2026
https://github.com/cloudhead/nakamoto
Privacy-preserving Bitcoin light-client implementation in Rust
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Last synced: 08 Apr 2025
https://github.com/klaytn/klaytn
Official Go implementation of the Klaytn protocol
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Last synced: 09 May 2025
https://github.com/tatumio/tatum-js
π Tatum SDK: A πͺ powerful, π feature-rich TypeScript/JavaScript π library that streamlines the π οΈ development of π blockchain applications.
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Last synced: 14 May 2025
https://github.com/Quillhash/Web3-Security-Tools
This repository contains a list of the most popular and widely used tools in web3 security. If you find any tools missing, you can create a pull request and be a contribute the project.
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Last synced: 17 Apr 2025
https://github.com/enkryptcom/enkrypt
Enkrypt: Ethereum, Polkadot and Web3 Wallet
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Last synced: 14 May 2025
https://github.com/enkryptcom/enKrypt
Enkrypt: Ethereum, Polkadot and Web3 Wallet
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Last synced: 16 May 2025
https://github.com/kevinheavey/solders
A high-performance Python toolkit for Solana, written in Rust
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Last synced: 14 May 2025
https://github.com/maxim5/time-series-machine-learning
Machine learning models for time series analysis
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Last synced: 06 Apr 2025
https://github.com/adamant-im/adamant-api-jsclient
ADAMANT Javascript API library
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Last synced: 05 Oct 2025
https://github.com/trustwallet/blockatlas
Clean and lightweight cross-chain transaction API
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Last synced: 06 Apr 2025
https://github.com/metaplex-foundation/js
A JavaScript SDK for interacting with Metaplex's programs
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Last synced: 24 Mar 2025
https://github.com/planetarium/NineChronicles
Unity client application for Nine Chronicles, a fully decentralized idle RPG powered by the community.
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Last synced: 14 Mar 2025
https://github.com/ico-check/ico-check
Background checks and due diligence for crypto projects
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Last synced: 08 Apr 2025
https://github.com/sandoche/Proof-of-Stake-Cryptocurrency-generator
π Create your own Proof of Stake cryptocurrency with its own blockchain based on NXT
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Last synced: 17 Mar 2025
https://github.com/etherspot/etherspot-sdk
Etherspot - Account Abstraction SDK
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Last synced: 12 Apr 2025
https://github.com/sandoche/proof-of-stake-cryptocurrency-generator
π Create your own Proof of Stake cryptocurrency with its own blockchain based on NXT
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Last synced: 28 Jan 2026
https://github.com/devpavan04/cryptoboys-nft-marketplace
An NFT marketplace where users can mint ERC721-based Crypto Boy NFTs ππ¨
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Last synced: 05 Apr 2025
https://github.com/thuglabs/create-dapp-solana-nextjs
Scaffolding for a Solana dapp using TS, Next.JS, Tailwinds CSS, and Daisy UI
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Last synced: 05 Apr 2025
https://github.com/GetScatter/ScatterWebExtension
Extension that allows you to sign transactions with your private keys securely from within the browser without ever exposing them.
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Last synced: 28 Mar 2025
https://github.com/near/create-near-app
Create a starter app hooked up to the NEAR blockchain
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Last synced: 10 Aug 2025
https://github.com/gcarq/rusty-blockparser
Bitcoin Blockchain Parser written in Rust language
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Last synced: 16 May 2025
https://github.com/microsoft/eEVM
Enclave ready EVM (eEVM) is an open-source, standalone, embeddable, C++ implementation of the Ethereum Virtual Machine.
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Last synced: 02 May 2025
