{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to send signed operations in a blockchain?","a":"Choose an encryption algorithm: First, you need  to choose an encryption algorithm such as SHA-256, ECDSA, etc., to generate a signature."}]}],"pr":"f99bb533b953431da20a58d12ddbb93bc20e2618f3a2c50c7b78cb322e02fd59"}