His trading all took place in the Netherlands Antilles, where his earnings compounded tax free. If you think he has this advantage only because of his wealth read on. Investors may reside in Chicago or Kuala Lumpur, but geographic locales no longer need be a deterrent to investing globally. Offshore or non-US investments allow for more rigid controls on privacy. The US government along with numerous other over regulated industrialized societies have continued to threaten individual investor's privacy rights.
Offshore funds are inherently private, a big selling point for global investors.
In examining offshore solutions one must be concerned with numerous issues. Resources and environment of offshore location. Time zone discrepancies may be important. Costs associated with offshore funds. Unique problems of jurisdiction one is in.