the blockchain for payments

Transparent cross-chain transaction routing for EIP-7702 accounts

Production-grade blockchain transaction infrastructure

bluetooth mesh chat, IRC vibes

Optimized Solidity snippets.

Use ZK Email to do account recovery for any smart wallet, including 7579 and 4337 support.

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

Specification for Discreet Log Contracts

Coinbase MPC Library

a non-upgradeable, singleton wallet contract that can be set on an EIP-7702 delegation transaction

A no-code or framework to build blazing fast EVM indexers - built in rust.

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

Authentication & payments on the web

Anonymous. Uncensored. Sovereign.

The andromeda libraries aims to provide logical blocks to build a privacy-focused, cross-platform, self-custody Bitcoin and Lightning wallet, integrated in Proton's ecosystem

chat with private and local large language models

A performant, reliable, and type-safe ERC-4337 Bundler written in Typescript

A non-trivial starter for UniFFI library projects targeting iOS and Android

A cargo plugin to easily build Swift packages from Rust code

EIP-3074 (`AUTH` and `AUTHCALL` opcodes) example foundry project

TypeScript utilities built on viem for ERC-4337: Account Abstraction

SwiftUI library for abstracting navigation logic from views

Official repository for all EVM-compatible smart contracts used by the Cross-Chain Transfer Protocol

An open source repository of the core cryptographic functions used by Fluidkey’s interface and SDK.