{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The continuous operation of blockchain depends on which important rules?","a":"Encryption technology: communication and verification between nodes through encryption algorithms  to ensure the security of the data."}]}],"pr":"693a07fb23613aa7a5856a7d7f76787dcd91de132b42142d597bb6e904b4d982"}