If your side project is at least a two man operation, say that all the work is done by your buddy, while you only have ownership rights. Or say your buddy hired

If your side project is at least a two man operation, say that all the work is done by your buddy, while you only have ownership rights. Or say your buddy hired a cheap noname outsourcing firm or even a freelancer who did the work and vanished. At the end of the day, software is too complex and it's unprovable that you did any of it.