{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain support multi-signature?","a":"Initiating a transaction: When  a participant (such as A) wants to conduct a transaction with other participants (such as B and C), A will generate a transaction request including information such as the addresses of both parties and the amount of the transaction."}]}],"pr":"b4876d48d88aa3febe136a78055978c259b911f9ef9209eee778bc127b9aad57"}