The SEC's Expanded Definition of Exchange Under the Securities and Exchange Act

"The SEC needs to reckon with the fact that this is a new thing," he says. "There's no reams of paperwork explaining how to fit it into the existing framework, right? And there's a whole bunch of novel things raised." The more use cases that attempt to incorporate or embrace blockchain will improve financial markets' health and well-being, argues Goldman Sachs chief executive Lloyd Blankfein.