{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do smart contracts ensure the reliability of execution in blockchain?","a":"Automatic execution rules: Smart contracts are pre-written computer programs that automatically execute and include rules for data processing and operations. These rules are determined when the contract is deployed and cannot be  changed during the execution process. This mechanism of automatic execution rules ensures that the contract is executed reliably."}]}],"pr":"886e76fe93fb81a2365255249780d49493facd876beda133b07b28995f10ec78"}