{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do multi-signature schemes in blockchain ensure the consistency and integrity of transactions?","a":"Sign the transaction:  After receiving the transaction information, each signer generates a signature corresponding to the transaction. These signatures are then combined to create a collective signature that"}]}],"pr":"40429d7a12913cb81b908db61a74bb5ebbfa22e685c7165f468399e50e9fb1a1"}