Example and sample projects

A curated list of content related to EIP-7702 account abstraction

A lightweight ERC-1967 proxy for EOA upgrades to `CoinbaseSmartWallet`

A summary and solutions for 200+ CTF blockchain challenges

The contracts that power the Delegation Framework

Public repository for Agent Skills

Vercel's official collection of agent skills

zkSNARK implementation in JavaScript & WASM

The Best Agent Harness. Meet Sisyphus: The Batteries-Included Agent that codes like you.

Transparent cross-chain transaction routing for EIP-7702 accounts

Authentication & payments on the web

All you need account for authentication and payments on the web.

Deploy your smart contract to the same address on many blockchains (with fewer pitfalls)

the blockchain for payments

OWASP Smart Contract Top 10

An automated market making bot for Polymarket that provides liquidity by maintaining orders on both sides of the order book with customizable parameters configured via Google Sheets.

Trusted offchain facts, verifiably issued onchain.

💠 Upgradeable-first Solidity smart contract development library 💠

Solidity library of smart contracts from the OpenZeppelin Community

LangChain 공식 Document, Cookbook, 그 밖의 실용 예제를 바탕으로 작성한 한국어 튜토리얼입니다. 본 튜토리얼을 통해 LangChain을 더 쉽고 효과적으로 사용하는 방법을 배울 수 있습니다.

A Swiss Army knife for service workers.

WTF Solidity 极简入门教程，供小白们使用。Now supports English! 官网: https://wtf.academy

A zero-knowledge protocol for anonymous interactions.

Web3/Solidity based wargame

the holesovice post-merge testnet configuration.

List of CTF related to Ethereum world (solidity smart contracts)

A Docker Container to easily run a Palworld dedicated server.

Free, open source crypto trading bot