{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the purpose of the program data account allocated on the blockchain?","a":"Security protection: The blockchain adopts cryptographic methods to ensure the security of the data account. Only users who possess  the account private key can access the corresponding data, effectively preventing data leaks and tampering."}]}],"pr":"5a4fa8051b8be915c0a4cc692bc1cc405951667f289f3bcad898f4e0add46ca3"}