Haneda Airport Terminal 3 now supports USDC stablecoin payments, marking a true breakthrough of blockchain payments in physical business scenarios. Users can complete transactions by scanning a QR code on the Solana chain; the entire process is settled instantly, secure and reliable, while merchants receive funds directly in Japanese Yen without the need for complex cross-border clearing processes. This practice fully validates the feasibility of Web3 payment infrastructure—from technical stability to user experience and merchant acceptance—demonstrating mature application potential. The choice of an international hub like the airport is also meaningful, reflecting the competitiveness of the USDC and Solana ecosystems in global payment scenarios. As more physical retail merchants adopt this method, stablecoin payments are expected to move from pilot programs to everyday use.