{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is signature verification performed in blockchain?","a":"Verification: The recipient uses the sender's public key to verify the signature  and confirm the authenticity of the information."}]}],"pr":"d56f0476ce38abee07efdaf300034f5e588c4a2e09111cc9c342ef8ecf73d39c"}