{"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":"Define signature rules: In a multi-signature scheme, the first step is to define a signature  rule, which specifies the minimum number of signers required to agree on a transaction for it to be considered valid. This rule can be flexibly set to meet the needs of different scenarios."}]}],"pr":"5cc7869b885d434e45490ff777a73750c1dc63114613ea986e770530146cc620"}