{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of Symmetric Key Encryption algorithms in Blockchain?","a":"Security: The Symmetric Key Encryption algorithm uses the same key for encryption and decryption, ensuring the security of data during transmission and storage. Through strong password technology and iterative encryption processes, it effectively resist  potential attack risks."}]}],"pr":"24c48aae33a3efdcc2251a0a76373aa526001e191a90bfa4b457409b41db2367"}