This post is part of CoinDesk’s 2019 Year in Review, a collection of 100 op-eds, interviews and takes on the state of blockchain and the world. Gary Gensler is a professor at the MIT Sloan School of Management, Co-Director of MIT’s Fintech@CSAIL and Senior Advisor to the MIT Media Lab Digital Currency Initiative. He was formerly Chairman of the U.S. Commodity Futures Trading Commission, Under Secretary of the Treasury, and a partner at Goldman Sachs.