When selling eBooks I understand that there may be a need for some database to keep track of actual customers who have bought the book.
As I understand it: Customer downloads eBook and is prompted with a code number (0-999) “unique” to his hardware in order to unlock the ebook. The customer then needs to get the corresponding password.
This process can be automated using some simple script (PHP, ASP or other) on a web-page coupled to a database of customers as well as to a list of passwords. That a database of customers be necessary is in order for only proper customers to get the password, and perhaps set a reasonable limit to the number of “hard-ware upgrades” each customer is allowed within a given time frame or in total.
Assuming a maximum load of say 10 simultaneous password queries, a simple access (?) database should be enuf.
Does this solution/script exist somewhere? Or are all new eBook authors inventing this wheel over and over again?
I noticed that no one has come forward to offer you a password distribution solution. As far as I know there is no 3rd party database solution you can implement yourself.
There are a few database solutions, one is Virtual Vault that requires a monthly fee to monitor your eBook distribution.
Of course you could design your own PHP solution if you have sufficient programing skills.
You could also look at my HYPrLock Security solution that offers an Automatic Payment System (PayPal and ClickBank), Instant Password Activation, Instant Refund Disabling and Ultra PDF Security; all without using an online database. I've found the only customer data that has any real value is the payment notice from PayPal or ClickBank -- and you don't need a database for that, all you need is a bank book.
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