May 16 marks the sixth anniversary of crowdfunding under Regulation Crowdfunding. But it was the JOBS Act of April 2012 that made it possible. Whether you go by 10 years ago or six years ago, crowdfunding has come a long way.  Millions of Americans are participating in this investing space. Crowdfunding portals Wefunder and StartEngine both claim to have 1.5 million investors in their communities. New York-based portal Republic…