Discussion on answer by Alexis: Как организовать лицензирование своей программы по типу key collector, fast trust?

Imported from a comment discussion on http://ru.stackoverflow.com/questions/503290/%d0%9a%d0%b0%d0%ba-%d0%be%d1%80%d0%b3%d0%b0%d0%bd%d0%b8%d0%b7%d0%be%d0%b2%d0%b0%d1%82%d1%8c-%d0%bb%d0%b8%d1%86%d0%b5%d0%bd%d0%b7%d0%b8%d1%80%d0%be%d0%b2%d0%b0%d0%bd%d0%b8%d0%b5-%d1%81%d0%b2%d0%be%d0%b5%d0%b9-%d0%bf%d1%80%d0%be%d0%b3%d1%80%d0%b0%d0%bc%d0%bc%d1%8b-%d0%bf%d0%be-%d1%82%d0%b8%d0%bf%d1%83-key-collector-fast-trus/503297#503297