Gate News reported that on March 20, WLFI announced the launch of AgentPay SDK, an open-source payment toolkit for AI agents. The SDK is built on USD1, integrating self-hosted key management features and policy-based transaction authorization mechanisms, and can be integrated with popular AI development tools such as Claude Code, Codex, Cursor, and OpenClaw.

Gate News: On March 19th, Privy, a wallet infrastructure platform, has integrated Ethena-backed savings functionality as a core component, now covering over 120 million accounts. Any application or platform built on Privy can now provide users with sUSDe rewards, with yields automatically accumulating over time.

Tempo blockchain project launched its mainnet on March 19th, introducing a Machine Payment Protocol (MPP) designed to support AI agents in conducting automated transactions. The project is built on stablecoins to enhance payment efficiency and reduce on-chain congestion. Tempo's launch is regarded as an important milestone in the convergence of AI and blockchain, potentially bringing new growth models to the digital economy, though it still faces challenges in security and compliance.