#SEC
The U.S. Securities and Exchange Commission is a United States federal bureau that's in charge of accepting Bitcoin futures (so far, without success).
SEC stands for the U.S. Securities and Exchange Commission which is an agency of the federal government responsible for securities regulation. The SEC has been filing lawsuits against ICOs that it believes to be fraudulent, and is generally considering its role in the oversight of digital currency trading.
Blow to Ripple as SEC Gets Access to Company's Missing Slack Messages

Ripple claimed that the SEC messages required by the SEC would cost more than $1 million to produce
SEC Chair Is Right About DeFi's Centralization, Says Head of Crypto Think Tank

The head of the leading cryptocurrency lobbying organization has agreed with Gary Gensler's recent take on DeFi
SEC Losing Grip: Chief of Cyber Security and Cryptocurrency Department Resigned

The first Head of SEC Cyber Unit resigned after 15 years of service to the Commission. Will there be changes for cryptocurrencies?