On May 23, the innovative PayFi protocol PolyFlow announced the formal integration of Solana Attestation Service (SAS) at the Solana Accelerate e Conference in New York. The two parties will jointly promote the construction of trusted credentials and payments on the chain, providing cross-border settlement, liquidity management and Tokenized payment scenarios. Set new standards. It is reported that PolyFlow has taken the lead in applying this solution to the DePIN open wireless network project ROAM, realizing decentralized SIM real-name authentication and eSIM automatic activation. At the same time, it plans to expand it to DeFi credit scoring, Supply Chain Finance certificates and other scenarios. PolyFlow said that in the future, it will continue to build a next-generation PayFi infrastructure that seamlessly connects traditional payments, DeFi and physical assets to accelerate the implementation of global encrypted payment scenarios.