Keynote at DTCC Fintech Symposium, New York, NY. April 30, 2019.
Preventing Catastrophic Cryptocurrency Attacks
Brookings-ANU Workshop on Alternative Futures of the Global Economy, Washington, D.C. February 4, 2019.
A Tangled Curl: How we forged signatures in IOTA
The Impact of Blockchain Technology on Finance: A Catalyst for Change (with Jonah Crane, Gary Gensler, and Simon Johnson), Geneva Reports on the World Economy. Geneva, Switzerland, May 15, 2018.
Privacy-preserving Auditing for Distributed Ledgers
The Future of Money, TED BCG, Paris, France. May 2016.