{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The verification process of block signature is as follows:","a":"The verifier uses the same hash algorithm (such as SHA-256) to hash the block data, obtaining  the hash value to be verified."}]}],"pr":"3fa138c75a979eebe7d3dad823533a59da29cdcdb1e00f4f0c63e79a8ca18a62"}