Cryptocurrencies Expert Witnesses

Cambridge, Massachusetts

Cybersecurity, Information Technology - Cryptography, internet security, denial-of-service attacks, ransomware, internet-of-things security, privacy, surveillance, supply chain security, 5G security, blockchain, cryptocurrencies, artificial intelligence, LLMs, adversarial machine learning, election security, spyware, stalkerware, AI security, security compliance

Bruce Schneier is an internationally renowned security technologist, called a “security guru” by the Economist. He is the New York Times best-selling author of 14 books – including Rewiring Democracy and A Hacker’s Mind -- as well as hundreds of articles, essays, and academic papers. His long-running newsletter and blog, “Schneier on Security,” is one of the most popular sources of cybersecurity news on the internet. Schneier is a Fellow and Lecturer in Public Policy at the Harvard Kennedy School and the Munk School at the University of Toronto. He is a fellow at the Berkman-Klein Center for Internet and Society at Harvard University, a board member of the Electronic Frontier Foundation and AccessNow, and an advisory board member of EPIC and VerifiedVoting.org. He is also the Chief of Security Architecture at Inrupt, Inc. As a partner in the expert-witness consulting firm Computer Science Experts Ltd., Schneier has access to a team of researchers, analysts, software engineers, writ...

New York, New York

Cryptocurrency, Business Operations - Cryptocurrencies, Cryptocurrencies Mining, Data Centers, Blockchain, Bitcoin Mining, Damages Calculations, Mining Pools, Digital Assets, Business Valuation, Expert Reports, Operations, Financial, Bitcoin, Ethereum

Patrick Holert, CFA, CAIA, ERP, CIRA has testified in multiple cases involving cryptocurrencies and operating data centers for mining cryptocurrencies. He brings over 30 years of professional experience in digital assets, investment research, private equity and consulting. Mr. Holert has served in executive roles for two of the largest companies in cryptocurrencies mining. Over 2025 to 2026, he was Chief Executive Officer of Ecohash LLC, a fully owned subsidiary of Cango Inc (NYSE: CANG), which operates one of the largest fleets globally of Bitcoin mining rigs. During 2021 to 2023, he served as Chief Operating Officer of Celsius Mining LLC (now Ionic Digital), where he managed a fleet of more than 120,000 Bitcoin mining rigs; negotiated multiple vendor, contractor, hosting and leasing agreements; and coordinated development of 87MW of mining sites in Texas. His experience at Celsius Mining includes supporting the company through a Chapter 11 restructuring. Prior to workin...