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Jim Harper was a senior fellow at the Cato Institute, working to adapt law and policy to the information age in areas such as privacy, cybersecurity, telecommunications, intellectual property, counterterrorism, government transparency, and digital currency. A former counsel to committees in both the U.S. House and the U.S. Senate, he went on to represent companies such as PayPal, ICO-Teledesic, DigitalGlobe, and Verisign, and in 2014 he served as Global Policy Counsel for the Bitcoin Foundation.

A founding member of the U.S. Department of Homeland Security’s Data Privacy and Integrity Advisory Committee, Harper co-edited the book Terrorizing Ourselves: How U.S. Counterterrorism Policy Is Failing and How to Fix It. He has written several amicus briefs in Fourth Amendment cases before the U.S. Supreme Court, and is the author of Identity Crisis: How Identification Is Overused and Misunderstood. He has been cited by numerous print, Internet, and television media outlets and has written for the New York Times, Wall Street Journal, and other leading publications. His scholarly articles have appeared in the Administrative Law Review, Minnesota Law Review, and Hastings Constitutional Law Quarterly.

Harper holds a JD from the University of California-Hastings College of Law.

More from Jim Harper

Cato Studies

The New National ID Systems

Policy Analysis No. 831. January 30, 2018.

Checking E-Verify: The Costs and Consequences of a National Worker Screening Mandate

Policy Analysis No. 775. July 7, 2015.

REAL ID: A State-by-State Update

Policy Analysis No. 749. May 12, 2014.

Public Filings

Ulbricht v. United States

Legal Briefs. February 5, 2018.

United States v. Microsoft

Legal Briefs. January 17, 2018.

Carpenter v. United States

Legal Briefs. August 11, 2017.

Cato Reviews & Journals

21. National ID Systems

Cato Handbook for Policymakers. Cato Handbook for Policymakers, 8th Edition (2017).

Remember the Common Law

Policy Report. March/April 2016.

The Future of Violence: Robots and Germs, Hackers and Drones—Confronting a New Age of Threat

Cato Journal. Fall 2015.


2017 Cato Surveillance Conference

December 13, 2017. Conference.

A New Agenda for the 115th Congress

January 12, 2017. Capitol Hill Briefing.

Debate: Should Libertarians Vote?

November 2, 2016. Policy Forum.