I think it [Bitcoin] is working. There will be other currencies like it that may be even better, but in the meantime there's a big industry around bitcoin. You know, people have made fortunes out of bitcoin, some people have lost money out of bitcoin.
American attorney and Chairman of the U.S. Securities and Exchange Commission
Market participants, including lawyers, trading venues, and financial services firms, should be aware that we are disturbed by many examples of form being elevated over substance, with form-based arguments depriving investors of mandatory protections.