Ari Juels

@AriJuels

Prof., Cornell Tech; Co-Director, IC3; Chief Scientist @chainlink Labs; author, THE ORACLE, oraclenovel.com. Views expressed are mine alone

Bsky: @arijuels arijuels.com Joined June 2014

153 Following 15K Followers 683 Posts

Latest posts 5

Ari Juels @AriJuels Oct 31

5-minute explanation of AI-agent impersonation of humans and securing against it with Inalienable Human-in-the-Loop (I-HITL).

youtube.com/live/wMfSg6mmR…

@sjbreck @danivilardell77 @0xFanZhang @initc3org

www.youtube.com CoinDesk Live at Ripple Swell 2026 Day 2 | Replay Swell 2026 brings Ripple’s flagship event to New York City, with Sw...

Ari Juels @AriJuels Oct 27

You—the human yous out there (hellooOOO?)—are the last line of defense against rogue AI. But human control systems for AI agents have a pervasive design flaw: they leave the key to the agent’s cage dangling within the agent’s reach. 🧵

Ari Juels @AriJuels Oct 6

@danivilardell77, who recently received an Ethereum Foundation PhD fellowship, was featured in the Cornell Graduate School Student Spotlight. Dani's a dynamo and a delight to work with, qualities that come across clearly in this short article.

gradschool.cornell.edu/spotlights/stu…

gradschool.cornell.edu Student Spotlight: Dani Vilardell October 5, 2026 Dani Vilardell is a doctoral student in computer science from Barcelona, Spain. He earned his bachelor’s in mathematics and electrical engineering at Universitat Politècnica de...

Ari Juels @AriJuels Aug 12

Award for "Stealing ML Models via Prediction APIs" (USENIX Sec '16), led by @florian_tramer and @0xFanZhang, with Mike Reiter, @TomRistenpart, and me. We knew models were worth stealing. We had no inkling of the big impact the lessons on API design would have on frontier AI.

Cornell Tech @cornell_tech Aug 12

Congrats to Professor @AriJuels, Cornell Tech professor and co-director of @initc3org, on receiving the 2026 USENIX Security Test of Time Award!

Learn more about his work: tech.cornell.edu/news/ari-juels… @Cornell_Bowers #CornellAI #USENIX

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Ari Juels @AriJuels Jul 10

Crossroads turns (nearly) every cryptocurrency into an ERC-20 token on a unified platform. Applications include private payments, cross-chain DEXes, and a universal faucet (good for AI agents).

Blockchain integration is permissionless, extending reach across the full ecosystem.

IC3 Verified account @initc3org Jul 8

1/ The DeFi UX is fundamentally broken.

Despite extensive work on cross-chain bridging, moving assets remains cumbersome, expensive, and centralized. Most bridges act as gatekeepers, permissioning only a few major ecosystems.

New IC3 research, "Crossroads," changes this:

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