{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the cases of failed message verification in blockchain delegation?","a":"Digital digest verification failure: A digital digest is a fixed-length number generated after encrypting the transaction data, used to verify the integrity and consistency of the transaction data. If the digital digest verification fails, it suggests that the transaction data may have been tampered with during the  transmission process."}]}],"pr":"1244a785f6e4f41c72600e8ddc53f4366c74d2047cf9760c4e0c6f4bf2f86ddc"}