Thanks for asking me to answer, but I can't really give an answer either. Any "crowdfunding" involves securities, finance, and corporate law, but is just a new name to what startups have been trying to do for years. The only change has been the economy resulting in new legislation and an online push for startup funding. Businesses used to try to do the same thing with small amounts of cash from lots of investors, but regulations were put in place to protect investors and the market.
It will take some time before anyone really knows the full extent of new SEC rules and other changes, but any securities lawyer who deals with start-ups, venture capital, angel investors, emerging growth, entrepreneurs, and related issues have to stay up on this topic. My take is that no lawyer feels this is such a huge area that they would try to become an expert. I would rather wait until the hype dies down on this to see what happens as this trend may not end up being as great an opportunity after regulatory agencies crack down or shareholder/investor lawsuits start kicking in. The problem of minority shareholders and their rights has been a major area of concern for years with small and growing companies and this creates the potential for even more of those issues to arise with so many investors.