{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do miners in a blockchain verify transactions and create new blocks?","a":"Miners calculate the header hash value of the new block and compare it with  the target difficulty value."}]}],"pr":"94c74de0504edf652caa62c314785e34ca85c34b69a7805c68ae356e3108d4f0"}