I've always been fascinated by ponzi schemes, or other pyramid and chain structures. Most of the legislation against it that I've looked at, attacks it from a

I've always been fascinated by ponzi schemes, or other pyramid and chain structures. Most of the legislation against it that I've looked at, attacks it from a deception angle. So, basically, if it's honest about what it is and your chances are to make or not make money from it, it may be within the law of many countries. I have never looked at it from a cross border legal perspective, that might make it even more interesting.