{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The security guarantee mechanism in blockchain refers to what?","a":"Cryptographic  encryption: Data in blockchain is encrypted using cryptographic algorithms to ensure its security. Only participants with the correct keys can access and process the data in the blockchain, thereby improving the security of the data."}]}],"pr":"ab4cdae46f61193244c726c6c6ba2e45847a32352045d9de4057fbf789c38dd0"}