erc-1271

xGAS: Immutable wrapped native asset with permit and authorization-based transfer extensions.

Non-custodial agentic wallets with onchain session key delegation. TypeScript SDK, MCP server, and x402 payments for AI agents on BNB Chain, Ethereum, and Base.

Minimal EIP-1271 fixture wallet for tests and examples.

Dart library for Coinbase Smart Wallet (ERC-1271) message signing — EIP-191, EIP-712, compatible with viem verification.

Safe-backed Git approval CLI, API, and GitHub required-check workflow

Intent-based escrow. The beneficiary signs an EIP-712 release off-chain (no gas, no tx); anyone submits the signature on-chain to release funds. ERC-1271 smart-wallet compatible, partial releases, fuzz + invariant tested. Solidity/Foundry + Next.js/wagmi.

A decentralized order book contract for exchanging NFTs (ERC721) for ERC20 tokens, enabling secure and flexible NFT trading on the blockchain.