This article analyzes the x402 payment protocol, revealing its success in processing 63 million transactions worth $7.5 million in USDC in December 2025. It highlights the advantages of micropayments and stablecoins over traditional payment methods, while also outlining challenges like agent identity and dispute resolution.

ERC-8004 has been deployed on the Celo blockchain, offering a standardized infrastructure for AI agents. This upgrade enhances agents with portable reputation, global discoverability, and low-cost transactions, enabling various applications like mini app development and remittance routing.