{"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":"5af00caf7e3db5ae6773cd0650831e59771b2c38db16e08741a5e5e8be25ee6a"}