{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In blockchain, why is it necessary to borrow Accounts using RefCell?","a":"In blockchain, borrowing Accounts using RefCell is employed because RefCell enables  cross-system and cross-process shared data, ensuring data visibility and consistency. Moreover, RefCell effectively prevents data races and duplicate calculations, thereby improving system security and performance. By borrowing Accounts, secure transmission and processing of sensitive information such as account balances and transaction records can be achieved, ensuring the normal operation of the blockchain system."}]}],"pr":"082b2477f4c8cc48632fdd8278565b4ed301f9433d4b4658128cc557a3595ff6"}