Alipay is a digital payment platform connecting users, merchants and banks. It realizes payment, transfer, financial management and other functions by binding bank cards. When scanning the code to pay, Alipay will verify the account balance or bank card amount and initiate a deduction request to the bank. The payment will be completed after the bank confirms. The merchant usually arrives within a few seconds, and may be delayed at night or on holidays. When the transfer is selected, the funds will be deducted from the transferor and enter the receiver's account. If the other party does not bind the card, it will enter the Alipay balance. There are single transactions and total amount restrictions every day to ensure security. Alipay also uses passwords, fingerprints, verification codes, multiple encryption and risk control systems to ensure the security of funds. Log in and verify the identity. Abnormal transactions will be automatically intercepted. Reporting losses in a timely manner after the mobile phone is lost can avoid losses.
The operation of Alipay is actually not mysterious. It is essentially a digital payment platform connecting users, merchants and banks. By binding a bank card, users can complete various operations such as payment, transfer, and financial management in Alipay. The technology and cooperation network behind it make it both fast and safe.

How is payment achieved by scanning the code?
You can use Alipay to scan the merchant’s QR code, or ask the merchant to scan your payment code, and the process is actually very fast. Alipay will first confirm whether there is enough amount in your account balance or bound bank card, and then initiate a deduction request to the bank, and the bank will complete the payment after confirmation.

- The time a merchant receives the money is usually within a few seconds
- If it is a night or holiday, the arrival may be slightly delayed
- Alipay will also record every transaction to facilitate your account check
This method has become the standard for daily consumption. Whether it is buying coffee or online shopping, scanning the code to pay greatly simplifies the process.
Why can money transfer be received in real time?
When you transfer money to a friend, if you choose "Instant Receive Account", the money will be deducted from your Alipay account almost immediately and entered into the other party's account. The principle behind this is that the Alipay system automatically handles the transfer of funds and does not require manual review by the bank.

- If the other party does not bind a bank card, the money will first go to his Alipay balance
- After binding the bank card, you can withdraw cash to the card at any time
- There are single transactions and total amount restrictions every day, mainly for safety considerations
Many people actually use Alipay to recharge the value before sending red envelopes on WeChat, because the transfer is fast and the handling fee is low.
How to ensure the security of funds in Alipay?
Although it is very simple to use, Alipay has put a lot of effort into security. In addition to common password and fingerprint verification, there are multiple encryption and risk control systems.
- Password or biometrics are required when logging in
- Large payment will send verification code to mobile phone
- The system will automatically identify abnormal transactions and intercept them
If you lose your phone, you can basically save the money in your account by reporting it as soon as possible. Moreover, each transaction has a record. If you have any questions, you can ask the customer service to appeal.
Basically that's it. The original intention of Alipay is to make it convenient and safe to use. Many functions seem simple, but the technical support and financial cooperation behind it are actually very solid.
The above is the detailed content of How does Alipay work?. For more information, please follow other related articles on the PHP Chinese website!

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