Seminars, Conferences, and Workshops

Silent Threshold Cryptography from Pairings
Academia Sinica Mar 2026 · Taipei, Taiwan
Slides
Pairing-Based Aggregate Signatures without Random Oracles
ASIACRYPT Dec 2025 · Melbourne, Australia
Slides
Lattice Assumptions with Hints: Succinct LWE and its Applications
Simons Institute Workshop on Obfuscation Jun 2025 · Berkeley, CA
SlidesVideo
Exotic Lattice Assumptions and How to Tame Them
Oberwolfach Workshop on Cryptography Jan 2025 · Oberwolfach, Germany
Slides
New Techniques for Preimage Sampling: NIZKs and More from LWE
Simons Institute Proofs Reading Group Jul 2025 · Berkeley, CA
Slides
EUROCRYPT May 2025 · Madrid, Spain
SlidesVideo
Texas Crypto Day Dec 2024 · Houston, Texas
Slides
Shonan Workshop on Encrypted Computation Oct 2024 · Kanagawa, Japan
Slides
Adaptively-Sound SNARGs for NP from Indistinguishability Obfuscation
Charles River Crypto Day Sep 2024 · Cambridge, MA
Slides
Distributed Broadcast Encryption from Lattices
CMU Workshop on Cryptography Sep 2024 · Pittsburgh, PA
SlidesVideo
Private Information Retrieval: Recent Advances and Challenges
AWS Security Jun 2025 · Online
Slides
TW-US Joint Workshop on Resilient Networks and AI for Cybersecurity Jun 2024 · Taipei, Taiwan
Slides
Succinct Functional Commitments for Circuits from k-Lin
Academia Sinica Jun 2024 · Taipei, Taiwan
Slides
EUROCRYPT May 2024 · Zürich, Switzerland
SlidesVideo
Lattice-Based Functional Commitments: Constructions and Cryptanalysis
ENSL/CWI/KCL/IRISA Joint Cryptography Seminar Jun 2024 · London, United Kingdom
Slides
CHARM Seminar May 2024 · Online
Slides
Tsinghua University Dec 2023 · Beijing, China
Slides
Removing Trust Assumptions from Advanced Encryption Schemes
TPLC: Theory and Practice of Laconic Cryptography Invited Keynote May 2024 · Zürich, Switzerland
Slides
Chinacrypt Invited Keynote Dec 2023 · Guangzhou, China
Slides
Lattice-Based Functional Commitments: Fast Verification and Cryptanalysis
ASIACRYPT Dec 2023 · Guangzhou, China
SlidesVideo
How to Use (Plain) Witness Encryption: Registered ABE, Flexible Broadcast, and More
Berkeley Crypto Reading Group May 2023 · Berkeley, CA
Slides
Succinct Vector, Polynomial, and Functional Commitments from Lattices
Lattices Meet Hashes Workshop May 2023 · Lausanne, Switzerland
Slides
EUROCRYPT Apr 2023 · Lyon, France
SlidesVideo
Bay Area Crypto Day Apr 2023 · Sunnyvale, CA
Slides
FAU Crypto Café Mar 2023 · Online
SlidesVideo
CMU CyLab Crypto Seminar Mar 2023 · Pittsburgh, PA
Slides
UMD Crypto Reading Group Mar 2023 · College Park, MD
Slides
Computing on Private Data: Private Genomics and More
CATT Global Analytics Conference Nov 2022 · Online
Slides
Multi-Authority ABE from Lattices without Random Oracles
Theory of Cryptography Conference (TCC) Nov 2022 · Chicago, IL
SlidesVideo
Registered Attribute-Based Encryption
NYU Crypto Reading Group Oct 2022 · New York, NY
Slides
Batch Arguments for NP and More from Standard Bilinear Group Assumptions
UT Austin Theory Seminar Sep 2022 · Austin, TX
Slides
CRYPTO Aug 2022 · Santa Barbara, CA
SlidesVideo
Stanford Security Seminar May 2022 · Stanford, CA
Slides
Charles River Crypto Day Apr 2022 · Boston, MA
SlidesVideo
Spiral: Fast High-Rate Single-Server Private Information Retrieval
EPFL Summer Research Institute Jul 2023 · Lausanne, Switzerland
Slides
Google Research (New York) Oct 2022 · New York, NY
Slides
Berkeley Crypto Reading Group May 2022 · Berkeley, CA
Slides
MIT Apr 2022 · Cambridge, MA
Slides
Traceable PRFs: Full Collusion Resistance and Active Security
Beyond Software Watermarking: Traitor-Tracing for Pseudorandom Functions
ASIACRYPT Dec 2021 · Online
SlidesVideo
Post-Quantum Designated Verifier zkSNARKs from Lattices
CWI Crypto Seminar Oct 2021 · Online
Slides
Monash Cybersecurity Seminar Sep 2021 · Online
SlidesVideo
Collusion Resistant Trace-and-Revoke for Arbitrary Identities from Standard Assumptions
On Succinct Arguments and Witness Encryption from Groups
UCLA Crypto Seminar Dec 2020 · Online
Slides
Berkeley Crypto Reading Group Sep 2020 · Online
Slides
Can Verifiable Delay Functions be Based on Random Oracles?
New Constructions of Statistical NIZKs: Dual-Mode DV-NIZKs and More
EUROCRYPT May 2020 · Online
SlidesVideo
Watermarking and Traitor Tracing for PRFs
Computing with Lattices: Commitments, Signatures, and Zero-Knowledge
Watermarking PRFs from Lattices via Extractable PRFs
DC Area Crypto Day Oct 2019 · Richmond, VA
Slides
Order-Revealing Encryption: Definitions, Constructions, and Challenges
ICERM Workshop on Encrypted Search Jun 2019 · Providence, RI
SlidesVideo
New Constructions of Reusable Designated-Verifier NIZKs
ENS de Lyon Crypto Session Jul 2019 · Lyon, France
Slides
ENS Jul 2019 · Paris, France
Slides
UT Austin Theory Seminar Apr 2019 · Austin, TX
Slides
DC Area Crypto Day Apr 2019 · Gaithersburg, MD
Slides
Exploring Crypto Dark Matter: New Simple PRF Candidates and Their Applications
Lower Bounds in Cryptography Workshop Jul 2019 · Bertinoro, Italy
SlidesVideo
Tel Aviv University Nov 2018 · Tel Aviv, Israel
Slides
Weizmann Institute of Science Nov 2018 · Rehovot, Israel
Slides
Technion Theory Lunch Oct 2018 · Haifa, Israel
Slides
Multi-Theorem Preprocessing NIZKs from Lattices
Chinese Academy of Sciences Jul 2018 · Beijing, China
Slides
NTT Secure Platform Laboratories Jul 2018 · Tokyo, Japan
Slides
Visa Research Jul 2018 · Palo Alto, CA
Slides
Bay Area Crypto Day May 2018 · Stanford, CA
Slides
Lattice-Based Non-Interactive Argument Systems
University of Tokyo Jul 2018 · Tokyo, Japan
Slides
PhD Thesis Defense May 2018 · Stanford, CA
Slides
Protecting Patient Privacy in Genomic Analysis
ADRF Network Research Conference Nov 2018 · Washington, D.C.
Slides
Danhua Capital (DHVC) Research Workshop Aug 2018 · Palo Alto, CA
Slides
Tsinghua University Jul 2018 · Beijing, China
Slides
Security and Privacy through Modern Cryptography
Visa Research Apr 2018 · Palo Alto, CA
Slides
University of Toronto Mar 2018 · Toronto, Canada
Slides
University of Virginia Mar 2018 · Charlottesville, VA
Slides
UCLA Feb 2018 · Los Angeles, CA
Slides
Quasi-Optimal SNARGs via Linear Multi-Prover Interactive Proofs
EUROCRYPT May 2018 · Tel Aviv, Israel
SlidesVideo
Bay Area Crypto Day Nov 2017 · Berkeley, CA
Slides
Charles River Crypto Day Nov 2017 · Boston, MA
Slides
Constrained Keys for Invertible Pseudorandom Functions
Theory of Cryptography Conference (TCC) Nov 2017 · Baltimore, MD
Slides
Boston University Nov 2017 · Boston, MA
Slides
Center for Encrypted Functionalities Seminar Oct 2017 · Online
Slides
Watermarking Cryptographic Functionalities from Standard Lattice Assumptions
CMU Theory Lunch Nov 2017 · Pittsburgh, PA
SlidesVideo
NYU Crypto Reading Group Oct 2017 · New York, NY
Slides
CRYPTO Aug 2017 · Santa Barbara, CA
SlidesVideo
EUROCRYPT Rump Session May 2017 · Paris, France
Slides
Lattice-Based SNARGs and Their Application to More Efficient Obfuscation
EUROCRYPT May 2017 · Paris, France
SlidesVideo
Bay Area Crypto Day Apr 2017 · Palo Alto, CA
Slides
Order-Revealing Encryption: New Constructions, Applications, and Lower Bounds
Ivy+ IT Audit Conference Jun 2017 · Stanford, CA
Slides
Visa Research Dec 2016 · Palo Alto, CA
Slides
Stanford Security Lunch Oct 2016 · Stanford, CA
Slides
Functional Encryption: Deterministic to Randomized Functions from Simple Assumptions
EUROCRYPT May 2017 · Paris, France
SlidesVideo
Stanford Security Lunch Apr 2017 · Stanford, CA
Slides
Berkeley Theory Lunch Apr 2017 · Berkeley, CA
UCLA Crypto Seminar Sep 2016 · Los Angeles, CA
Slides
CRYPTO Rump Session Aug 2016 · Santa Barbara, CA
Slides
Privately Evaluating Decision Trees and Random Forests
Privacy Enhancing Technologies Symposium (PETS) Jul 2016 · Darmstadt, Germany
SlidesVideo
Stanford Security Lunch Dec 2014 · Stanford, CA
Slides
Privacy, Discovery, and Authentication for the Internet of Things
Practical Order-Revealing Encryption with Limited Leakage
Stanford Data Science Initiative Workshop on Data Science for Biomedicine Apr 2016 · Stanford, CA
Poster
Fast Software Encryption (FSE) Mar 2016 · Bochum, Germany
SlidesVideo
Stanford Security Lunch Jan 2016 · Stanford, CA
Slides
Constraining Pseudorandom Functions Privately
UCLA Crypto Seminar Mar 2016 · Los Angeles, CA
Slides
Bay Area Crypto Day Nov 2015 · Berkeley, CA
Slides
Privacy-Preserving Shortest Path Computation
Stanford Secure Internet of Things Retreat Jun 2015 · Half Moon Bay, CA
Poster
Bay Area Security Research Summit Apr 2015 · San Francisco, CA
Slides
Stanford Security Lunch Apr 2015 · Stanford, CA
Slides
Homomorphic Encryption for Genomic Analysis
Stanford Data Science Initiative Monthly Meeting May 2016 · Stanford, CA
Slides
iDASH Privacy and Security Workshop Mar 2015 · San Diego, CA
SlidesVideo
Computing on Encrypted Data
Private Database Queries using Somewhat Homomorphic Encryption
MSR Summer Crypto Lunch Jun 2014 · Redmond, WA
Slides

Informal Talks

From Secure MPC to Efficient Zero-Knowledge
Stanford Theory Qualifying Exam Mar 2017 · Stanford, CA
Slides
A Somewhat Informal Introduction to FHE
MSR Summer Crypto Lunch Aug 2014 · Redmond, WA
Slides
Somewhat (Practical) Homomorphic Encryption
Stanford Security Lunch Feb 2014 · Stanford, CA
Slides
CURIS Poster Session Aug 2012 · Stanford, CA
Poster