{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do multi-signature schemes in blockchain achieve consensus among specific validators?","a":"B and C then calculate the hash of the processed transaction data and compare it with the hash of the transaction data sent by A. If they match, it means the transaction is valid, and B and C will append their signatures  to the transaction."}]}],"pr":"61be76349adf01876212837dbf96efa8ae9f96fc1f791e7ec7b8668cc5518e85"}