{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of smart contracts in blockchain?","a":"Trustless: Smart contracts achieve a trustless feature through encryption algorithms and consensus mechanisms. Participants  only need to trust blockchain technology and smart contract code, without needing to trust each other."}]}],"pr":"f67050140481ccb1aedb6cdea1dc163872d303ea6a935df1248fc26013d35d3a"}