{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain support the security guarantee of smart contracts?","a":"Decentralization: Blockchain adopts a decentralized network architecture, with data stored on multiple nodes, avoiding single-center control and thereby reducing the risks of tampering and attack. Smart contracts running on the blockchain also benefit from the decentralized  feature, ensuring the security and reliability of contract data."}]}],"pr":"0f3dbd7e397a334f506ac79c41bb2225c3c1ce5550227c9a8ff727e1bed5041b"}