{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the blockchain work?","a":"Proof of  Work：Each node proves its work by solving a mathematical problem equivalent to answering a question,"}]}],"pr":"6c46578232000a7eed1d1d1de4167dc8beeb65c3a94e61fdd1fb8f6760971ab3"}