{"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":"c8f22216db0e089dcf2f6f19428e3ca2817b1086c696d68e1e19e026afc59bba"}