{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain technology ensure the security of smart contracts?","a":"Decentralization: Blockchain technology adopts a decentralized network structure, where there is no single central node  in the data storage and transmission process, thus reducing the risks of hacker attacks and data tampering."}]}],"pr":"e360f3d7a9142a79068c11a18aaf4406cd8dd262fc85ef6f13e3e7527d0dc1e3"}