{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do consensus rules in blockchain record and update the signature information of collateral mining validators?","a":"The collateral  mining validator signs its mining data (such as block headers) for a certain period of time to form a signature message."}]}],"pr":"5c1047c216205f5a6d5413ab359ee70bf94b7812685d0d8473847c854e7df5e6"}