[Coinbase Launches Upgraded AI Stablecoin Payment Protocol x402 V2] According to Golden Finance, Coinbase has released the stablecoin payment protocol x402 V2 for AI agents, enabling a more flexible autonomous payment system. The new version supports wallet identity authentication, automatic API discovery, dynamic payment recipients, and is compatible with more blockchains and fiat currencies. It also provides a modular development toolkit, making it easier for developers to expand functionality and enhance the scalability and future adaptability of the payment protocol.