Recently the SEC pulled a 180 on their policy toward cryptocurrencies and sued Binance and Coinbase. 

Sam Lyman is a Public Policy Director in Washington who covers Blockchain. He is also a Forbes Contributor, covering Fintech and Digital Assets. He breaks down the historical politics and policy behind crypto and the recent assault against crypto. 

He can be found at:
https://www.forbes.com/sites/samlyman/?sh=79368a3850bb 
https://twitter.com/@SamLyman33