Media

Conference Presentations

Shared Quantum Power: Building the Future's Compute Hub

sub0 2025 (Polkadot), Bangkok (Nov 2025)

Presentation on building distributed quantum computing infrastructure at the sub0 developer conference.

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Distributed Quantum Compute for DeSci

DeSci Boston 2025 (Oct 16, 2025)

Talk on leveraging distributed quantum computing for decentralized science.

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Open Infrastructure & Data Integrity

DeSci Boston 2025 (Oct 17, 2025)

Panel on open infrastructure and data integrity challenges in decentralized science.

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Revisiting Silent Coercion

E-Vote-ID 2025, Nancy, France (Oct 2025)

Joint work with D. Chaum, J. Clark, C. Liu, M. Nejadgholi, B. Preneel, A. Sherman, M. Yaksetig, Z. Yin, F. Zagorski, B. Zhang.

PDF Slides Springer

Metadata Kills People: Why Privacy Matters

Web3Privacy Now / Privacy Academy (Jul 30, 2025)

Talk on the real-world dangers of metadata exposure and why privacy engineering matters.

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Scantegrity II Municipal Election at Takoma Park

USENIX Security 2010, Washington, DC (2010)

Case study of the first use of an end-to-end verifiable voting system in a binding government election.

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Panels & Industry Events

Quantum Threat! Will Bitcoin Survive?

xx network (Jan 22, 2025)

Panel exploring the quantum computing threat to Bitcoin and blockchain security.

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Does the USA Get Left Behind in Crypto Innovation?

xx network (Jul 29, 2023)

Panel with Eleanor Terrett and Alex Chizhik on US cryptocurrency regulation and innovation.

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Former Intelligence Agency Contractor discusses Cyber Attacks and Future of Crypto

Interview with Darren MooreJr (Feb 10, 2023)

Long-form interview on cybersecurity, intelligence work, and the future of cryptography.

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Talks & Seminars

Post Privacy World

HackHazards Keynote (Sep 6, 2024)

Keynote on the erosion of privacy in the modern world and what can be done about it.

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xxDK Webinar

HackHazards (Mar 22, 2024)

Technical webinar on the xx network Developer Kit for hackathon participants.

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Startup Lessons Learned

UMBC Cyber Defense Lab Seminar (Feb 2021)

Lessons from co-founding and closing the security startup Lexumo: monitoring open-source software, getting funded, delivering a product, and finding customers.

Watch UMBC Announcement

Using the xx Command Line Interface

xx network tutorial (Jan 7, 2021)

Tutorial walkthrough of the xx network command-line interface.

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Fracture: Inverting LLVM's Target Independent Code Generator

Presentation (2013)

Technical presentation on architecture-independent decompilation using LLVM's TableGen backend.

Slides

Static Analysis @ CTI

Presentation (2012)

Presentation on static analysis techniques for cybersecurity.

Slides

Hackathons

1st Place — EasyA x Polkadot Harvard Hackathon

Harvard University (Apr 26-27, 2025)

Project: Tippin' Dots. Team: R. Carback, Yi Zu, Sam Nathans.

Watch GitHub

Winner (SUI Track) — EasyA Consensus Hackathon

Austin, TX (May 29-31, 2024)

Project: Consensus Hold'Em — Texas Hold'Em poker on the SUI blockchain (Move language). Team: R. Carback.

Watch Demo GitHub

TaroDOT — Polkadot Tarot

Hackathon origin (2024)

Tarot card reading powered by Polkadot blockchain randomness.

Watch Demo GitHub

Selected Press & Citations

Scantegrity coverage in IEEE Security & Privacy, IEEE TIFS, USENIX Security, and EVT/WOTE conferences (2006–2016).
xx network and Elixxir coverage on CoinDesk and crypto media.
Quantum Doomsday Clock — Co-designed model estimating when quantum computers could break current blockchain encryption, covered in SaedNews and crypto press.
Featured on xx Foundation and DBLP research profiles.