{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of smart contracts on the blockchain?","a":"Trustless: The execution process of smart contracts is transparent and public, allowing all participants to  view contract content and execution results, thereby reducing the need for trust."}]}],"pr":"0360a2515ed423b59768aa91ee2a8aba326da0d147819527f35ec4163d7890ac"}