Blockchain Expert Witnesses

Blockchain expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on blockchain. The blockchain expert witness listings on this page are typically from fields/areas of expertise such as: Cryptocurrency, Cybersecurity, Information Technology, and Securities & Investments.

Justin Maile CipherBlade

Anchorage, Alaska
Cryptocurrency - blockchain, bitcoin, ethereum, theft, fraud, SIM swap, NFT, investment scam, ponzi scheme, smart contract, pig butchering, digital asset discovery, ransomware, compliance, crypto
Justin Maile is an expert in cryptocurrency investigations and forensic analysis. He has trained and led a team of the best cryptocurrency analysts in the world at Chainalysis before leading the team at CipherBlade. Over the last 7 years Justin has supported some of the most impactful cases to affect the crypto industry involving dozens of SIM swap cases, most of the crypto exchange hacks, numerous smart contract exploits, multiple ponzi schemes with total losses in the billions of dollars, multiple strains of ransomware, assisted international law enforcement with the takedown of illicit services including child abuse sites, darknet markets, money laundering, malware as a service, and others, and has lead the investigations into hundreds of "pig butchering" and other romance and investment scams. More recently Justin has focused on supporting civil litigation cases like digital asset discovery for divorce cases, bankruptcies, estate management cases involving crypto, and has been ...

Bruce Schneier

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
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 "A Hacker's Mind" -- ­as well as hundreds of articles, essays, and academic papers. His influential newsletter "Crypto-Gram" and blog "Schneier on Security" are read by over 250,000 people. Schneier is a Lecturer in Public Policy at the Harvard Kennedy School, 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 He is the Chief of Security Architecture at Inrupt, Inc.

Paul Sibenik

Pittsburgh, Pennsylvania
Cryptocurrency, Securities & Investments - blockchain, bitcoin, blockchain forensics, hacks, theft, fraud, pig butchering, embezzlement, ransomware, ethereum, crypto, SIM Swaps, embezzlement, compliance, cybersecurity, cryptocurrency tracking, cryptocurrency tracing, staking, NFTs, ponzi schemes, smart contracts
Paul Sibenik is a blockchain forensics and cryptocurrency tracing expert. He frequently conducts investigations in a range of niches, including cryptocurrency hacks, exploits, vulnerabilities, thefts, fraud, SIM Hijacking, fraud, ransomware, embezzlement, and pig butchering scams. Tracking cryptocurrency such as Bitcoin and Ethereum often plays a critical role in his investigations. Additionally, Paul has been appointed as an expert in many civil disputes, including bankruptcy divorce matters, having worked on more than 100 cases involving cryptocurrency in divorce alone. He has also frequently been asked to open on matters related to Anti-money laundering (AML), compliance, cybersecurity, NFTs, and staking.