{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of smart contracts in blockchain?","a":"Autonomy: Smart contracts can autonomously execute operations and maintain data consistency without the need for human intervention. This reduces the risk of human error  and increases the efficiency and security of the system"}]}],"pr":"5f98cb7aa35064516af82dbcb113403bcf0af9242171f4f58c740e2570638d56"}