{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the risks involved in the process of blockchain upgrading?","a":"Data Loss  Risks: During the upgrade process, there may be cases of data loss, which may be caused by technical issues, operational errors, or other reasons. Data loss will affect the historical record and trust foundation of the blockchain."}]}],"pr":"4ceb032d243c53047df22608b6e0fec73065a6baf341bb671c5d83b806818ec8"}