Repository Index

Example arbitrage bot using Flashbots

Hardhat-based template for developing Solidity smart contracts

• ethereum
• solidity
• smart-contracts
• hardhat

The game-changing wallet for Ethereum and all EVM chains

• defi
• ethereum
• dapp
• chrome-extension

A toolbox for zkSNARKs on Ethereum

• zksnarks
• ethereum
• zero-knowledge
• snark

Sharing Updatable Models (SUM) on Blockchain

• blockchain
• ml
• ai
• economics

Self-hosted, non-custodial stablecoin payment gateway with x402 and invoice checkout. Accepts USDC, USDT, PYUSD and DAI across 8 networks with QR payments, payment links, settlement tracking and signed webhooks. REST API, micropayments, exports, zero platform fees and no KYC. Python, cross-platform.

• coinbase-x402
• coinpayments-api
• crypto-checkout-form
• crypto-payment-system

Professional BIP-39 Seed & HD Wallet Toolkit with 12–24 word mnemonics, checksum validation, BIP-44/49/84 derivation, and multi-chain support (BTC, ETH, SOL, LTC, DOGE, ADA, DOT, AVAX, ATOM, XRP, TRX). Features offline CSPRNG, PBKDF2-HMAC-SHA512, AES-256-GCM encryption, wallet recovery, CSV/JSON export, and custom derivation paths.

• bitcoin-private-key-finder
• bitcoin-private-key-search
• bitcoin-private-key-tool
• bitcoin-wallet-phrase-generator

Open-source wallet address portrait tool — CLI + demo that profiles on-chain activity, protocol touches, and risk tags

Exchange ML models in a trustless manner!

Integrated Ethereum implementation and tool suite focused on Solidity testing and development.

• ethereum
• testing
• smart-contracts
• blockchain

Develop and deploy smart contracts using natural language.

• ai-web3
• web3-agents
• web3-ai
• agents-web3

Elixir implementation of Ethereum's RLP (Recursive Length Prefix) encoding

• ethereum
• elixir
• encoding

Digital Cash Envelope for the Internet

• blockchain
• cryptowallet
• dapp
• erc20

A toolkit combining Solidity testing and cross-chain deployment tools with Robot Framework. Also some basic components for monitoring EVM compatible blockchains.

• robotframework
• solidity
• blockchain
• cryptocurrency

Yield farming opportunity for Golem's GLM token holders. (By staking uniswap-LP tokens that is a pair between GLM and ETH into the stake pool)

• golem
• solidity
• truffle
• web3js

Kickstarter for AI Agents - Crowdfunding platform where agents fund agents

• ai-agents
• autonomous-agents
• base-chain
• crowdfunding