{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The structure of a blockchain includes which API functions?","a":"Block  data structure: Used to represent the data in a block, such as transaction information and related metadata."}]}],"pr":"a27f90979938e338b7be28bad343024bc3cf6f80b357c2f0ab414aecafea3db8"}