QYBC is a commercial basic public chain built based on DAG technology. In response to the common problems of transaction congestion, high transaction fees, and long transaction confirmation time in existing blockchains, with the goal of "extremely light, fast, and easy", it constructs a DAG commercial public chain that supports massive concurrent transactions and faster transaction confirmation, making ecological implementation a reality. QYBC is committed to the pinnacle of traditional financial, payment and other industry rules, directly connecting the molecules of the entire financial upstream and downstream with a decentralized structure, achieving one click asset chain up, improving equity and asset liquidity; Facing merchant users, QYBC provides a QYPay commercial platform, which can achieve one click intervention in QYPay payments and cross-border payment solutions; For individual users, QYPay offers many customized features for cryptocurrency users such as DApp wallets and fast transactions....