{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do on-chain contracts in blockchain ensure the security and reliability of smart contracts?","a":"Automatic execution rules: Smart contracts are pre-written computer programs that execute automatically, containing rules for data processing and operations. These rules are determined when the contract is deployed and cannot be changed during the execution process. The mechanism of automatic  execution rules ensures that data processing and operations are consistent and reliable, reducing the possibility of human error and manipulation."}]}],"pr":"596986b14a9c39905e432e3178badca39cb26664056cd28ad8e98203c250ae10"}