paymaster

Account Abstraction smart contract accounts, modules, audits, tests, and formal verification

ARKA - (Albanian for Cashier's case) is the first open source "Paymaster" as a service software.

A Typescript library to build Account Abstraction Smart Wallets

The Starknet Paymaster – abstract gas fees with full control and zero friction.

ZkSync Airdrop Claim Tool: Secure airdrop recovery for compromised wallets. Gasless transactions via paymaster for claimless ETH wallets on ZkSync Era.

zksync-paymaster is a repository containing scripts and configurations for deploying and utilizing a paymaster smart contract on the zkSync network.

tron tailored smart wallets

Models fee and resource caps from Solana v1 transactionConfig for paymasters and co-signers.

A privacy-preserving gas payment system built on Ethereum using Semaphore zero-knowledge proofs and Account Abstraction (ERC-4337)

A decentralized paymaster: remove traditional off-chain paymaster signature server to provide permissionless and decentralized service with on-chain contract.

A collection of Ethereum account abstraction EIP/ERC demos

A payment gateway smart contract for managing transaction fees using zkSync. This repository contains the source code for the Paymaster contract, allowing users to pay fees for transactions using an ERC-20 token.

Swap USDC for native HYPE on HyperEVM without holding any gas

Gas-optimized ERC-4337 multi-signature wallet with account abstraction, stable token payment paymaster, and comprehensive test coverage. Built with Foundry.

my paymaster for AA UserOp in counter2 demo on vercel https://explorer.testnet.abs.xyz/address/0xbe80eae2a968c257a0dc965c59d19606df0fb518#contract

Tornado Cash core contracts rebuilt for Solidity 0.8 & Cancun: gasless ERC-4337 withdrawals, Permit2 deposits, Base L2 support. Same 2020 trusted setup, tested with real zk proofs.

An API proxy that protects a Paymaster and Bundler endpoint for use in Smart Account wallets.

End-to-end system for redeeming ROSE on Oasis Sapphire when users deposit tokens on other EVM chains.

A seamless cross-chain USDC bridge powered by Wormhole & Circle's CCTP.

Production-grade ERC-4337 Account Abstraction implementation with modular smart accounts, paymasters, session keys, multisig, social recovery, and spending limits. Built with Foundry.