QINB CHAIN was established by the China Musical Instrument Industry Foundation (Singapore), based on blockchain technology, and exclusively collaborated with Xueyinyue Network to launch the "Qin Lian App". By incentivizing piano practice behavior, it encourages people to persist in practicing and sharing, and drives everyone to join in learning and practicing. The tokens generated by the user's piano practice incentive behavior can be redeemed online for instruments, as well as for courses and other products. Assist instrument manufacturers in inventory reduction, institutional enrollment, driving and flourishing the music market, and making positive contributions to the comprehensive realization of cultural revival....