{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the parameters included in the entrance symbol of a blockchain program?","a":"Signature: Used to verify the  authenticity and integrity of the transaction, usually generated by the sender."}]}],"pr":"3d2a16a6d79c869d6d527b40a0f3898376935351e837143a4fd598747f318616"}