QYBC is a commercial basic public chain based on DAG technology. Aiming at the common problems of existing blockchains such as transaction congestion, high transaction fees, and long transaction confirmation time, it takes "extremely light, extremely fast, and extremely easy" as the core The goal is to build a DAG commercial public chain, support massive concurrent transactions and faster transaction confirmation, and make the ecological landing a reality. QYBC is committed to the peak of traditional financial, payment and other industry rules, and directly connects the entire financial upstream and downstream molecules with a decentralized structure, realizing one-click asset on-chain, improving equity and asset liquidity; facing merchant users, QYBC Provide QYPay commercial platform, which can realize one-click access to QYPay payment and cross-border payment solutions; for individual users, QYPay provides many functions customized by encrypted digital currency users such as DApp wallet and ultra-fast transaction.