PayFlow.me brings simplified crypto payment flows to Ethereum Layer 2, with secure Safe AA and gasless transactions

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

Sample custodial wallet api written with nodejs, typescript and express

Chain agnostic gasless wallet

Relay server to facilitate and subsidize some interactions with smart contracts.

Your one-stop SDK for Web3 and Dapp Development. Build seamlessly with KrypCore's Advanced SDK & APIs

Relayer for Gasless transactions

A Gasless transaction relayer for Solana with reliable relaying

An implementation of EIP-3009: gasless transfer of USDC

UPI for web3

A Hardhat-based repository of Solidity contracts that allow users to perform transactions on the Blockchain network without worrying about gas fees.

Gasless+Batched Transactions

Website

Call smart contract functions from backend

React App to gaslessly transfer or swap DAI tokens

Cross-Chain Gasless NFT Staking and Earning Rewards

SSI (Solana Signed Instruction) is a specification for gasless solana instructions, allowing any compatible wallet to securely execute instructions on Solana without paying gas, and without actually needing to use a solana wallet

GYC can be used as gas fee

Streamlining DAO Infrastucture

A PoC using truffle react box, gsn and rsk