{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of the economic model of blockchain?","a":"Encryption algorithm protection: The blockchain economic model uses  encryption algorithms (such as SHA-256) to encrypt and sign transaction data, ensuring the security and integrity of the data and maintaining the trust mechanism in the blockchain network."}]}],"pr":"5fcf767f7889bb5c7e5479891e7b55d392df781231dde863df9c7a6a53facfeb"}