Is the payer information of Good Voice randomly generated?

The payer information of Good Voice is randomly generated.

1. The mobile client emits sound waves, and the terminal device obtains the sound waves and converts them into a transaction number.

2. After the user confirms the purchase of the product, the product information and transaction number are sent to the Alipay backend to generate a bill.

3. After pushing it to the client, the transaction number is actually used to identify who the order belongs to.