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Throughout my days as a PHP Programmer and a beginner at C# programming I've always wondered of the best way to generate unique serials such as how Microsoft Office and Microsoft operating systems do.
Does anyone have a good guide to how to handle this, Like what are the important factors in generating the unique serial, prevent duplicates etc. small example on how to create / verify them.
Here is the RFC I'm talking about: https://www.rfc-editor.org/rfc/rfc1982.