Ed Felten is Co-Founder and Chief Scientist at Offchain Labs, the developers of the Arbitrum technology; and Professor Emeritus of Computer Science and Public Affairs at Princeton University. He previously served at the White House as Deputy U.S. Chief Technology Officer, and is currently a member of the U.S. Privacy and Civil Liberties Oversight Board. He is a member of the National Academy of Engineering and the American Academy of Arts and Sciences, and a Fellow of the ACM.