{"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":"7fcb3e252145704ddb0b86554820dfb0964abacfc183059c7b35dae81ce868a0"}