Circa a few years ago (maybe their obscurity scheme has improved since then), they just used a binary blob that decrypted the (Ruby) source then passed it to a

Circa a few years ago (maybe their obscurity scheme has improved since then), they just used a binary blob that decrypted the (Ruby) source then passed it to a Ruby interpreter process. If you replaced your Ruby interpreter with one that would also print the source, you had all the code. :P