{"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":"Firstly, participant A wants to send a transaction to specific validators B and C. A will generate a digital signature, which includes the information of the transaction as well as other  necessary data."}]}],"pr":"f0dd6132be1763bff9cbb350e91b259cab5ae7ea8953b2b497ae5974fbb77108"}