{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of accounts that can execute token operations in a blockchain?","a":"High security: Blockchain adopts encryption algorithms (such as SHA-256) to ensure data security. Account owners control their accounts through private  keys, ensuring the security of their assets."}]}],"pr":"3659cd1b1920e59195c371bcf9e1a6156940fb6fcfe55f60b282e6e8b60ef1a2"}