{"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":"Efficiency: The Symmetric Key Encryption algorithm performs high-speed encryption and decryption in large-data application scenarios. Compared to asymmetric encryption algorithms,  its processing speed is faster and more suitable for large-scale data transmission and storage."}]}],"pr":"bbabb4fbe74d963eaca90876107c5ad7e520d79d5d19cc40efd641d97fb1cc40"}