Built on trust. Hardened by history.

Zanarc brings together two generations in one name. Zan comes from Zanis – a Latvian accountant who emigrated to New Zealand. Arc comes from Marc, his son – a cyber assurance professional.

Zanis spent his career ensuring numbers told the truth. Zanarc does the same — for blockchain infrastructure, virtual asset platforms, and the digital financial systems that trust depends on.

Meet the Principal

Marc Krisjanous is the Founder and Principal Consultant of Zanarc, an independent cybersecurity consultancy serving the virtual asset sector.

With over 18 years of experience across information technology, information security, and cybersecurity auditing, Marc specialises in the cybersecurity assurance of blockchain and distributed ledger technology (DLT) systems, regulatory advisory for virtual asset service providers (VASPs), and auditing against internationally recognised security standards. 

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CryptoCurrency Security Standard (CCSS)

Marc was the first auditor worldwide to be accredited under the CryptoCurrency Security Standard (CCSS) and conducted the inaugural CCSS audit, resulting in the first organisation worldwide achieving CCSS certification.

Marc designed and built the CCSS audit program on behalf of C4 (the CryptoCurrency Certification Consortium) and continues to oversee the program, including mentoring newly accredited CCSS auditors.

International Standards and Policy

Marc contributes to the development of international security standards and regulatory policy frameworks. His current and recent contributions include:

  • ISO TC 307 Blockchain and Distributed Ledger Technologies, as New Zealand’s expert delegate.
  • The CryptoCurrency Security Standard (CCSS), as a member of the C4 CCSS Steering Committee.
  • The Commonwealth Model Law on Virtual Assets and the Commonwealth Model Law on Stablecoins, as a member of the Commonwealth Expert Working Group.
  • The Singapore Standards Council Blockchain and DLT Security Standard.
  • A contributing author to “Stablecoins and the Future of Financial Regulation”, Chapter 5: Technology, Security, and Cyber Risks.

Regulatory Advisory and Training

Marc advises financial regulators and supervisory authorities across multiple jurisdictions on evaluating the cybersecurity posture of Web3 and virtual asset platforms. His advisory work encompasses designing security audit and assurance frameworks tailored to the needs of regulatory supervision programs.

Marc delivers training programs for regulatory staff, equipping supervisors with the technical knowledge required to assess the security practices of licensed virtual asset service providers.

Professional Credentials

CISSP (Certified Information Systems Security Professional), CCSSA (CryptoCurrency Security Standard Auditor), PCI QSA (Payment Card Industry Qualified Security Assessor), ISO/IEC 27001 Lead Auditor, CBP (Certified Bitcoin Professional), CEP (Certified Ethereum Professional), CBSE (Certified Blockchain Solutions Expert), and NORS Qualified Readiness Assessor.

Industry Engagement

Marc is an active participant in the global blockchain and cybersecurity community. He is a member of the BlockchainNZ Executive Council, a Fellow of the Blockchain Association Singapore (BAS), a member of the CCSS Steering Committee, Singapore ACCESS, and Malaysia ACCESS. He has presented at international conferences, industry forums, and Web3 associations worldwide.

Specialist Expertise

Marc is one of a small number of auditors globally who possess both the qualifications and practical experience to assess the security posture of blockchain-based systems against recognised standards, including CCSS, ISO/IEC 27001, NORS, TC 307 standards, and PCI DSS.

Through Zanarc, Marc provides independent, expert assurance services to organisations operating in the digital asset sector across the Asia-Pacific, Middle East, Europe, and North America.

My father survived two hostile takeovers of his nation. I protect organisations from the modern equivalent.

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