{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In a blockchain, how can you complete a transaction using a multi-signature transaction?","a":"First, the parties involved in the transaction need to agree on a multi-signature wallet in advance. This  wallet usually requires M-of-N signatures (M signatures from a group of N participants) to authorize the transaction."}]}],"pr":"6af3d7a3f7b9c701228d3b9f33041a1748891b604b2a808642a5b11da8eb20c1"}