Here's why Bitcoin plummeted below $10,000 again

Bitcoin dipped below $10,000 on Wednesday for the fifth time this year, and all the other cryptocoins saw similar plunges. One of the reasons that drove down the prices is the Securities and Exchange Commission's announcement that any exchange that allows customers to trade securities, including initial coin offerings, needs to comply with existing rules. But that was hardly the only thing bothering crypto traders over the past day. Many of them freaked out after discovering that one of the worl...