{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do you derive seeds from seeds in a blockchain?","a":"Validate blocks：Validate the downloaded block data to ensure the accuracy  and integrity of the blockchain."}]}],"pr":"7c845e4a53f96695e71d0fe619ab52e80f8e3d4696fe8a3748aef70459977e9e"}