{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology solve music copyright issues?","a":"Decentralized management: Blockchain technology builds a decentralized network to achieve distributed storage and management of music copyright information. This eliminates  the reliance on single centralized institutions, reduces the risk of data loss and tampering, and enhances the reliability and security of copyright management."}]}],"pr":"494b8ea00b8e5968c7bb6a37980db1602499e40a683fba3edc804664583a7bed"}