{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can blockchain technology ensure the transparency of transactions?","a":"Distributed ledger: The distributed ledger in blockchain technology records all transaction history information, and each node stores the complete ledger data. When a new transaction occurs, the node will propagate it to the entire network, and other nodes will verify its authenticity."}]}],"pr":"fde9c3d522218affa6eb2d630cd54a941223b5c3d81863ce692f19c88156e5d2"}