[Coinbase Launches x402 V2, Supporting Payments in Different Currencies via the Same Interface] BlockBeats news, December 12, according to Coinbase's Head of Development erik.eth, the team has announced the launch of the x402 V2 version after millions of x402 payments. The new version aims to drive the development of internet-native payments with greater flexibility and more powerful features. The new version standardizes network and asset formats, enabling servers to accept stablecoins and even fiat currencies across various networks via the same x402 interface—without the need to write custom logic for each network. Additionally, the V2 version introduces the concept of extensions within the x402 standard. Extensions allow optional structured data to be passed between clients, servers, and coordinators. This opens the door to authentication, multiple discovery mechanisms, and more functionalities. The extension feature enables developers to expand x402 without branching off from the main specification.