{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the generation of protocol hash in a blockchain network?","a":"Initialize the hash tree: The hash tree is a hierarchical structure that represents the relationship between different nodes in the blockchain. It is used to store and verify  the integrity of the blockchain data."}]}],"pr":"aa2b65cf695977edf14f721967530a2730ba03387e4c48425726c3091646218c"}