{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of transaction block hashing in blockchain?","a":"Unique Identification: The hash value can  uniquely and accurately identify a transaction block, allowing any node in the blockchain to obtain the hash value of the block through simple hash calculations."}]}],"pr":"9ec15df943c61e10088d0bce6cd03c108518fc9ff48897a98fd635805e23d077"}