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Preventing Double Payments

One of the problems in e-commerce is how to protect the user from making mistakes. It’s even more critical when your protection target is on-line payments. Usually, you need to send a request to a credit authorization system, get back a transaction number, and only then charge the user’s bank account. A common scenario is that the credit authorization number is late to come back, the user becomes anxious, and he or she presses the Charge My Account button again... Read More..

posted by Jansan John @ 10:29 PM,
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