Showing 62 open source projects for "blockchain"

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  • 1
    Iron Fish

    Iron Fish

    A novel cryptocurrency focused on privacy and accessibility

    Iron Fish is a privacy-first blockchain protocol that brings zero-knowledge proofs and encrypted transactions to a fully decentralized network. Its goal is to offer default, universal privacy for every user while remaining easy to use and scalable. Iron Fish uses zk-SNARKs to shield all transaction details and supports a novel PoS-like consensus called “Proof of Work with Delegation.”
    Downloads: 8 This Week
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  • 2
    Shardeum

    Shardeum

    Shardeum is an EVM based autoscaling blockchain

    Shardeum is an EVM‑compatible layer‑1 blockchain platform that leverages dynamic state sharding to deliver linear scalability, consistently low transaction fees, strong decentralization, and high throughput for decentralized application developers. Shardeum is an innovative EVM-compliant blockchain platform that leverages dynamic state sharding to achieve unprecedented scalability.
    Downloads: 1 This Week
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  • 3
    Hardhat

    Hardhat

    Hardhat is a development environment to compile, deploy, test

    Hardhat is an Ethereum development environment for professionals. It facilitates performing frequent tasks, such as running tests, automatically checking code for mistakes or interacting with a smart contract. Check out the plugin list to use it with your existing tools. Hardhat Runner is the main component you interact with when using Hardhat. It's a flexible and extensible task runner that helps you manage and automate the recurring tasks inherent to developing smart contracts and dApps....
    Downloads: 10 This Week
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  • 4
    Pali Wallet Browser extension

    Pali Wallet Browser extension

    Open source, easy to use and multichain Syscoin browser wallet

    ...This means that our users are able to seamlessly leverage the best of both worlds in terms of the two leading blockchain paradigms currently on the market. Developers can similarly use a single wallet to support Bitcoin and Ethereum-like web interactions to build their dApps, especially using Syscoin Core & the NEVM, making Pali Wallet the first Web3-compatible Bitcoin wallet out there.
    Downloads: 2 This Week
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  • 5
    xrpl.js

    xrpl.js

    A JavaScript/TypeScript API for interacting with the XRP Ledger

    ...Developers, validators, users, and businesses make the XRP Ledger better every day. 8+ years of consistent performance over more than 63 million ledgers. A high-performance decentralized peer-to-peer multi-currency exchange built directly into the blockchain. Atomically settle multi-hop payments that cross-currency or national boundaries with ease.
    Downloads: 0 This Week
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  • 6
    EthereumJS Monorepo

    EthereumJS Monorepo

    Monorepo for the Ethereum VM TypeScript Implementation

    This repository holds various protocol building blocks of the Ethereum blockchain execution layer and is managed by the Ethereum Foundation JavaScript team. There is a TypeScript implementation of the Ethereum Virtual Machine (EVM) ready to be used in Node.js or a browser environment, implementations of core structural blockchain building blocks like an Ethereum Tx, Block or Blockchain as well as a Trie (Merkle Patricia Tree) and devp2p (execution networking layer) implementation. ...
    Downloads: 0 This Week
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  • 7
    Crypto Trading Bot

    Crypto Trading Bot

    Cryptocurrency trading bot in javascript for Bitfinex

    Crypto Trading Bot is a JavaScript cryptocurrency trading bot that connects to multiple exchanges through the CCXT ecosystem. It is designed to experiment with automated trading logic across exchanges such as Bitfinex, BitMEX, Binance, and Bybit. The bot supports multi-pair operation, technical indicators, configurable strategies, and exchange order workflows. It aims to go beyond basic buy-and-sell signal bots by supporting more practical trading mechanics such as stop-loss or...
    Downloads: 3 This Week
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  • 8
    Fuels‑TS

    Fuels‑TS

    Fuel Network Typescript SDK

    Fuels‑TS is a TypeScript SDK by FuelLabs for building decentralized applications on the Fuel blockchain. It provides tools for deploying and interacting with Sway smart contracts, managing wallets, crafting transactions, and initializing local development environments. Build forc workspace and generate Typescript types for everything. Built-in CLI for project bootstrap, build, deploy, dev server, and type generation. The primary license for this repo is Apache 2.0.
    Downloads: 4 This Week
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  • 9
    Kalshi Trading Bot CLI

    Kalshi Trading Bot CLI

    AI-native CLI for trading Kalshi prediction markets

    Kalshi Trading Bot CLI is an AI-driven command-line tool designed to automate trading strategies on Kalshi prediction markets by combining quantitative modeling with real-time market data. It operates by conducting deep research on events, generating independent probability estimates, and comparing those estimates against current market prices to identify trading opportunities. The system incorporates advanced decision-making logic, including Kelly criterion-based position sizing and a...
    Downloads: 5 This Week
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  • 10
    Starknet MCP Server

    Starknet MCP Server

    MCP server that provides LLM with tools for interacting with Starknet

    Starknet MCP Server is a comprehensive Model Context Protocol (MCP) server for the Starknet blockchain. It provides AI agents with the ability to interact with Starknet networks, query blockchain data, manage wallets, and interact with smart contracts. ​
    Downloads: 0 This Week
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  • 11
    OneKey

    OneKey

    Secure, open source and community driven crypto wallet

    Secure, open source and community-driven crypto wallet runs on all platforms and trusted by millions. OneKey is your smartest choice to secure, buy, exchange and grow your crypto assets. Use OneKey App separately to store and use your crypto assets in a secure and convenient manner. Each user's assets are appropriately secured and stored locally. Hardware wallets take the security of digital assets to another level. From physically isolating hackers to preventing Trojan horses and software...
    Downloads: 6 This Week
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  • 12
    WalletConnect v2.x.x

    WalletConnect v2.x.x

    WalletConnect Monorepo

    Open protocol for connecting Wallets to Dapps. The communications protocol for web3, WalletConnect brings the ecosystem together by enabling wallets and apps to securely connect and interact. With WalletConnect, you can connect your wallet with hundreds of apps, opening the doors to a new world of web3 experiences. Uniswap. Swap, earn, and build on the leading decentralized crypto trading protocol. Foundation. Create, collect and sell NFTs.Install nodejs and npm. Install python3 and ensure...
    Downloads: 5 This Week
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  • 13
    Gnosis Safe Contracts

    Gnosis Safe Contracts

    Gnosis Safe allows secure management of blockchain assets

    The most trusted platform to manage digital assets on Ethereum. Access the most recent version of the Safe directly in your browser. Download the Safe as a static desktop application for Windows, MacOS or Linux. Conveniently manage your digital assets on the go. Fully customize how you manage your company crypto assets, with the option to require a predefined number of signatures to confirm transactions. Require multiple team members to confirm every transaction in order to execute it, which...
    Downloads: 1 This Week
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  • 14
    Monero TypeScript Library

    Monero TypeScript Library

    TypeScript library for using Monero

    A TypeScript library for creating Monero applications using RPC and WebAssembly bindings to Monero v0.18.3.4 'Fluorine Fermi'. A TypeScript library for integrating Monero (XMR) transactions and blockchain functions in applications.
    Downloads: 3 This Week
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  • 15
    Uniswap Labs Interface

    Uniswap Labs Interface

    An open source interface for the Uniswap protocol

    An open-source interface for Uniswap -- a protocol for the decentralized exchange of Ethereum tokens. Developers, traders, and liquidity providers participate together in a financial marketplace that is open and accessible to all. Build Defi apps and tools on the largest crypto project on Ethereum. Get started with quick start guides, protocol documentation, a Javascript SDK, and fully open source code. Get paid to build the future of finance. Uniswap Governance offers grant funding for...
    Downloads: 4 This Week
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  • 16
    Remix Project

    Remix Project

    Compiler and IDE that enables users to build Ethereum contracts

    Remix Project is a rich toolset including Remix IDE, a comprehensive smart contract development tool. The Remix Project also includes Remix Plugin Engine and Remix Libraries which are low-level tools for wider use. Remix IDE is used for the entire journey of contract development by users of any knowledge level. It fosters a fast development cycle and has a rich set of plugins with intuitive GUIs. The IDE comes in 2 flavors and a VSCode extension. Supported browsers: Firefox v100.0.1 &...
    Downloads: 4 This Week
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  • 17
    OnchainKit

    OnchainKit

    React components and TypeScript utilities

    OnchainKit is a React-based toolkit developed by Coinbase that provides a collection of components and TypeScript utilities for building modern blockchain-enabled applications with a focus on usability and developer experience. It is designed to simplify the process of integrating onchain functionality such as wallet connections, transactions, and blockchain data interactions into web applications. The library follows a modular architecture within a monorepo structure, allowing developers to selectively use components and utilities that fit their specific needs. ...
    Downloads: 1 This Week
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  • 18
    Web3Modal

    Web3Modal

    A single Web3 provider solution for all Wallets

    Your on-ramp to web3 multichain. Web3Modal is a versatile library that makes it super easy to connect users with your Dapp and start interacting with the blockchain. v2 is in early alpha and we are continuously adding more features, examples and documentation. As of now we support use cases with react and evm chains. Support for more frameworks and chains is on the way. Getting started with web3modal is as easy as installing a few packages, one for your preferred front-end framework i.e. @web3modal/react and the chain ecosystem you are working with i.e web3modal/Ethereum. ...
    Downloads: 1 This Week
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  • 19
    x402

    x402

    A payments protocol for the internet. Built on HTTP

    ...It repurposes the long-unused HTTP 402 “Payment Required” status code to allow servers to request payment before delivering content or API responses. The protocol supports multiple payment networks, including blockchain-based systems and fiat-compatible facilitators, making it flexible and network-agnostic. It is particularly suited for machine-to-machine transactions, such as AI agents paying for APIs, data, or compute resources without human intervention. The system eliminates the need for accounts, sessions, or traditional payment rails by using cryptographic authorization and wallet-based transactions. ...
    Downloads: 0 This Week
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  • 20
    Mask Network

    Mask Network

    The portal to the new, open Internet

    Mask Network brings privacy and benefits from Web3 to social media like Facebook & Twitter - with an open-sourced browser extension. Use the Mask Extension to hide your content from prying eyes and allow only your target audience to see it. If you’re launching a new project on the Ethereum, BSC, Polygon, or Arbitrum networks, ITOs are a completely new way of launching decentralized assets fairly. With integrated widgets on social media platforms, you’ll be able to view the latest prices of...
    Downloads: 1 This Week
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  • 21
    EVM MCP Server

    EVM MCP Server

    MCP server that provides LLM with tools for interacting with EVM

    EVM MCP Server is a comprehensive Model Context Protocol (MCP) server that provides blockchain services across multiple EVM-compatible networks. It enables AI agents to interact with Ethereum, Optimism, Arbitrum, Base, Polygon, and many other EVM chains through a unified interface. ​
    Downloads: 0 This Week
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  • 22
    AirGap Wallet

    AirGap Wallet

    The AirGap Wallet is installed on an everyday smartphone

    AirGap is a crypto wallet system that lets you secure cypto assets with one secret on an offline device. The AirGap Vault application is installed on a dedicated device that has no connection to any network, thus it is air gapped. The AirGap Wallet is installed on your everyday smartphone. Protect your crypto and store your private keys offline. It’s time to set up your safe place for your coins and get rewards. Based on a two-device approach, increasing security and usability with you in...
    Downloads: 2 This Week
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  • 23
    Kohaku

    Kohaku

    Privacy-first tooling for the Ethereum ecosystem

    Kohaku is an open-source initiative by the Ethereum Foundation aimed at bringing privacy-by-default tooling into the Ethereum ecosystem. It comprises an SDK of privacy primitives, a reference wallet implementation (browser extension), and a collaboration platform for existing wallet teams to adopt composable privacy building blocks. The project recognizes that privacy leaks in Ethereum go beyond just on-chain visibility — they include RPC endpoints exposing IPs, address reuse across dApps,...
    Downloads: 0 This Week
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  • 24
    AirGap Vault

    AirGap Vault

    Installed on a smartphone that has no connection to any network

    AirGap is a crypto wallet system that lets you secure cypto assets with one secret on an offline device. The AirGap Vault application is installed on a dedicated device that has no connection to any network, thus it is air-gapped. The AirGap Wallet is installed on your everyday smartphone. AirGap Vault is responsible for secure key generation. Entropy from audio, video, touch and accelerometer are used together with the output of the hardware random number generator. The generated secret is...
    Downloads: 2 This Week
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  • 25
    wagmi

    wagmi

    React Hooks for Ethereum

    wagmi is a collection of React Hooks containing everything you need to start working with Ethereum. wagmi makes it easy to "Connect Wallet," display ENS and balance information, sign messages, interact with contracts, and much more, all with caching, request deduplication, and persistence. We create a wagmi Client and pass it to the WagmiConfig React Context. The client is set up to use the ethers Default Provider and automatically connect to previously connected wallets. Next, we use the...
    Downloads: 4 This Week
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