{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the transaction validation process in a blockchain?","a":"Generate digital signature：The initiator of the transaction first uses its  own private key to encrypt the transaction data, generating a digital signature. Digital signatures can ensure the integrity and authenticity of transaction data, preventing the data from being tampered with during transmission."}]}],"pr":"659337b3cfd90920318a04458c2bf10f24563202115ec7378739863d0998e0bc"}