{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The formation process in blockchain is as follows:","a":"Generating: Create a Merkle tree for all transaction information in the block body, and store the root  value of the Merkle tree in the block header."}]}],"pr":"2589efc77a2d546faa232a3a0b98c1772f52f4595c781728ce9395dfa9ff46da"}