Global payments giant Visa has used Ethereum's Goerli testnet to try out transaction-free payments with the help of account abstraction.  On-chain data shows that Visa used a smart contract called Paymaster, allowing the company to take advantage of account abstraction to perform complex tasks on behalf of accounts and manage transaction costs.... Read More: Global Payments Giant Visa Experiments with Ethereum's Goerli Testnet – Here's the Latest