Team c4

c4's team are practitioners first — field investigators, forensics experts, legal strategists, and blockchain engineers who have worked real cases.

Rohas Nagpal

Rohas Nagpal

Chief Investigator

Rohas Nagpal is an author, lawyer, and investigator with 25+ years of experience across 18 countries — specialising in cybercrime, digital forensics, cryptocurrency investigation, and blockchain forensics.

He is the co-founder of the Asian School of Cyber Laws, and c4 Academy. He has assisted the Government of India in drafting rules under the Information Technology Act.

He authored the Cryptocurrency Investigation & Forensics Manual and the Cyber Crime Investigation Manual, described by The Times of India as the "Bible for cybercrime investigators", and wrote India's first legal commentary on the Information Technology Act.

Rohas first encountered Bitcoin in 2011 during a narcotics investigation, an experience that led to a long-term focus on blockchain, cryptocurrency crime, and financial infrastructure.

He later co-founded BankChain, a blockchain consortium of 37 banks, designed a Layer-1 protocol for regulated finance, and served as a consultant to the Reserve Bank Innovation Hub on NFTs & CBDCs.

Santosh Khadsare

Santosh Khadsare

Digital Forensics & Cyber Incident Response

Santosh Khadsare is an Army veteran, TEDx speaker, and former Scientist E at CERT-In, Ministry of Electronics and IT, Government of India, with over 25 years of experience in digital forensics and incident response.

He has led digital forensics lab operations at CERT-In, handled live cyber incidents, and driven investigator capacity-building for government and law enforcement teams.

His operational focus includes field-to-lab workflows, courtroom-oriented evidence handling, and practical mentoring for investigators working on national-level cyber investigations.

Shinam Arora

Shinam Arora

Blockchain Systems & Digital Evidence

Shinam Arora is a computer science engineer with 15+ years of experience in blockchain systems and digital evidence analysis. She is co-founder of BankChain (a consortium of 37 banks with IBM, Microsoft, and Intel), and co-founder of HyFi Blockchain and Sara AI.

She was the co-founder and CEO of Primechain Technologies, where she led teams building blockchain and cyber platforms and worked on applied blockchain use-cases for regulated sectors.

Her work at c4 ensures that investigation training and tooling stay technically accurate to real blockchain behavior, including edge cases investigators face in live cases.