the answer for all of this is that if you were to encrypt your work binding your work to the purchasers domain and or IP or both. then it would not be usuable nor transferable.
If you are interested in this solution as a mod developer you can get in touch with me. I have for nearly two years addressed this to some of the more well known developers. this has been a huge deal for years, not only with dolphin, but with all software. the key to this is encryption using one or two of the encryption see more facilities that are available
ioncube
that is one that i can think of now, that i utilize on all my servers.
also if you have been ripped off for your works, you can use legal zoom to file the proper papers and these copyright registrations specifically under GPL or any of the other open source encrypted or not, are taken very seriously in the US.
If you are interested in this solution as a mod developer you can get in touch with me. I have for nearly two years addressed this to some of the more well known developers. this has been a huge deal for years, not only with dolphin, but with all software. the key to this is encryption using one or two of the encryption see more