about us
About Cryptoforensic Investigators
Founded in 2023, Cryptoforensic Investigators is a team of seasoned blockchain forensics and investigative experts that track Bitcoin and cryptocurrency who have worked on hundreds of prominent cases.
Investigative work and actions taken by our investigators have, conservatively, played an instrumental role in leading to recovery of tens of millions of dollars of cryptocurrency. Our staff have also been appointed as expert witnesses across a range of high-profile cases.
Finding Clarity in the Crypto Chaos
Cryptoforensic Investigators, led by CEO Paul Sibenik, harnesses the collective expertise of our skilled team to unravel the complexities of blockchain transactions, delivering clarity and integrity in every investigation.
Our Approach
Our Mission
Our Values
Paul Sibenik
Founder & CEO
Paul Sibenik is the CEO of Cryptoforensic Investigators and a seasoned and well-known blockchain investigations expert that has been working in the industry since 2018 to help combat cryptocurrency-related cybercrime. He maintains close connections with law enforcement professional around the world and is well-known and connected with an increasingly length list of prominent attorneys that work on cryptocurrency-related cases. He has personally worked on hundreds of cases in wide range of cryptocurrency-related niches. He has produced a lengthy list of expert reports and declarations, and has been called to testify as an expert witness on numerous occasions in various courts around the world.
Sasha Tomic
Senior Investigator
Sasha has been working the industry since 2018, starting in AML specific to Crypto Asset Service providers, and has since specialized in blockchain investigations. Her main goals are to make a difference for the victims of cryptocurrency-related cybercrime and contribute to building a more open and secure blockchain community. She has worked on many cases ranging from pig butchering scams to NFT theft and SIM swaps, in addition to providing compliance services and educating victims of hacks and scams to help prevent future incidents. Her pet peeves are exchanges that engage in compliance theater or which are stingy on security. Sasha holds all Chainalysis certifications and a CAMS certification.
Josh Cooper-Duckett
Director of investigations
Josh delved into the world of cryptocurrency as a passionate interest back in 2014, whilst also having an interest in tech and cybersecurity in general. From this hobby, he embarked on his professional journey in security at Deloitte in 2018. In this role, he served as a senior technical incident responder within the CIR team, effectively tackling incidents spanning from commonplace business email compromises to substantial-scale ransomware attacks.
In 2021, Josh redirected his focus to blockchain investigations, where he applied his expertise to diverse cases ranging from Phishing attacks, SIM swaps, and thefts orchestrated by state-sponsored threat actors. Building strong ties within law enforcement and across industry circles, he remains deeply connected to the evolving landscape.