Statutory audit

Blockchain Audit Services in Cyprus

Specialist audit and assurance for Cyprus crypto-asset businesses: ISA-compliant statutory audits for exchanges, custody providers, token issuers and brokers.

ISA-compliant
Statutory audits in Cyprus
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Specialist Audit and Assurance Services for Crypto-Asset Service Providers (CASPs) and Digital Asset Businesses

The rapid growth of the digital asset industry has transformed financial markets and introduced new business models based on blockchain technology. Crypto exchanges, custody providers, token issuers, brokers and other crypto-asset businesses operate within an increasingly sophisticated regulatory environment that demands strong governance, transparent financial reporting and independent assurance.

The European Union's Markets in Crypto-Assets Regulation (MiCA) has established a harmonised legal framework for crypto-asset service providers (CASPs), creating consistent regulatory standards across Member States. In Cyprus, the Cyprus Securities and Exchange Commission (CySEC) is the competent authority responsible for authorising and supervising CASPs operating under MiCA.

As the regulatory environment continues to mature, statutory audits have become an essential component of corporate governance, providing shareholders, investors, regulators and other stakeholders with confidence that financial statements present a true and fair view in accordance with the applicable financial reporting framework.

Our firm specialises in statutory audits of Cyprus Crypto-Asset Service Providers (CASPs), blockchain businesses and other digital asset entities. We combine extensive experience in International Standards on Auditing (ISA), International Financial Reporting Standards (IFRS) and blockchain technology to deliver independent assurance tailored to the unique characteristics of crypto-asset businesses.

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Understanding Blockchain Businesses

Blockchain technology enables transactions to be recorded on distributed ledgers that provide transparency, immutability and traceability. Unlike traditional financial systems, blockchain networks often operate without central intermediaries, creating unique accounting, governance and audit considerations.

Businesses operating within the blockchain ecosystem may include:

Crypto-asset exchangesCustody providersBroker-dealersPortfolio managersTransfer and execution service providersStablecoin issuersTokenisation platformsWeb3 businessesDecentralised finance (DeFi) service providersBlockchain infrastructure companiesDigital wallet providers

Although their business models differ significantly, they share common challenges relating to financial reporting, internal controls, cybersecurity, custody arrangements and regulatory compliance.

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Why Specialist Blockchain Audit Expertise Matters

Auditing blockchain businesses requires knowledge extending well beyond conventional financial statement auditing.

Digital assets present unique audit challenges, including:

  • verification of ownership and control over crypto-assets;
  • valuation of highly volatile digital assets;
  • custody arrangements involving third-party custodians or self-hosted wallets;
  • assessment of private key management;
  • evaluation of smart contract risks;
  • revenue recognition from novel blockchain activities;
  • cybersecurity and technology risks; and
  • compliance with evolving regulatory requirements.

An effective audit therefore requires an understanding of both established auditing principles and the technological environment in which crypto-asset businesses operate.

Our crypto audit partnership

Two firms, one engagement

Statutory audits of crypto-asset businesses are delivered jointly with Ondology Labs, a Cyprus blockchain auditing, compliance and forensics firm. CYAUSE holds the ICPAC audit licence and issues the opinion; Ondology Labs proves what is on the chain.

CYAUSE Audit Services brings

  • The ICPAC audit licence and the statutory audit opinion
  • Financial statement audit methodology under IFRS
  • Cyprus tax, regulatory and CySEC licensing experience
  • A dedicated audit crypto department

Ondology Labs brings

  • Cryptographic verification of wallet control
  • On-chain balances read directly from the chain, not from a schedule
  • Reconciliation of chain activity to the accounting ledger
  • Identification of connected and related-party addresses

The engagement team

Two firms, one engagement. These are the people who do the work.

CYAUSE Audit Services Ltd

Carries the audit licence, the methodology and the opinion.
Kyriakos Tramountanellis
Kyriakos Tramountanellis
Engagement Partner

Signing partner on the engagement and a founding director of CYAUSE. A UK Fellow Chartered Accountant trained at UHY Hacker Young in London, and the point of reference for Cyprus tax and CySEC licensing questions.

FCA (ICAEW)ICPACACCAAdvanced CySEC examsAdvanced AML exams
Marinos Tramountanellis
Marinos Tramountanellis
Audit Manager

Runs the day-to-day audit fieldwork and has led the Audit Crypto Department at CYAUSE since 2017.

Lead Manager, Audit Crypto DepartmentACCA

Ondology Labs

Proves what is on the chain and turns it into audit evidence.
Iraklis Anastasiou
Iraklis Anastasiou
Blockchain Lead

Co-founder and CEO of Ondology Labs. Leads the on-chain side of the engagement, from cryptographic verification of wallet control to the scope and timetable agreed with the audit team. More than seven years in cryptocurrency, previously Senior Data Analyst at Cointelegraph.

ISO/TC 307 Technical Committee7+ years in cryptocurrencyMSc Blockchain & Digital Currency
Panayiotis Kattides
Panayiotis Kattides
Chain Analytics Lead

Co-founder and CTO of Ondology Labs. Builds and runs the analysis behind the evidence: reconciling on-chain movement to the accounting ledger, separating internal transfers from genuine economic events across bridges and swaps, and clustering connected addresses that point to related-party transactions.

ISO/TC 307 Technical Committee5+ years in cryptocurrencyMSc Data Science & Analytics

More about our audit team on the CYAUSE team page, and about our crypto partner at Ondology Labs.

Our Blockchain Audit Services

We provide statutory audit and assurance services to a broad range of blockchain and digital asset businesses operating in Cyprus.

Our services include:

Statutory Financial Statement Audits

Independent audits performed in accordance with International Standards on Auditing (ISA) for companies operating within the blockchain and digital asset sector.

Audit Readiness Assessments

Pre-audit reviews designed to identify accounting, documentation and internal control matters before commencement of the statutory audit.

Financial Reporting Advisory

Advice regarding the application of International Financial Reporting Standards (IFRS) to crypto-assets, digital asset transactions and emerging blockchain business models.

Internal Control Reviews

Independent evaluation of governance frameworks, accounting systems, custody controls, segregation of duties and operational processes.

Digital Asset Verification

Assessment of ownership, existence and valuation of crypto-assets through appropriate audit procedures and supporting evidence.

Governance and Risk Advisory

Advice regarding governance structures, risk management frameworks and financial reporting processes appropriate for regulated blockchain businesses.

Industries We Serve

Our blockchain audit practice supports organisations across the digital asset ecosystem, including:

MiCA-authorised Crypto-Asset Service Providers (CASPs)Cryptocurrency exchangesCustodiansFintech companiesBlockchain infrastructure providersTokenisation platformsDigital payment businessesInvestment firms with crypto activitiesTechnology companies holding digital assetsVenture-backed blockchain companies
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Our Audit Methodology

Our audit methodology combines traditional statutory audit procedures with an understanding of blockchain technology and digital assets.

Depending upon the nature of the business, audit procedures may include:

  • understanding blockchain transaction flows;
  • evaluating wallet ownership documentation;
  • assessing custody arrangements;
  • reviewing internal controls over digital assets;
  • evaluating accounting policies for crypto-assets;
  • verifying blockchain transaction records;
  • assessing valuation methodologies;
  • reviewing IT controls and cybersecurity governance; and
  • performing risk-based substantive testing in accordance with ISA.

Every engagement is tailored to the client's operations, risk profile and regulatory environment.

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Why Choose Our Firm

Blockchain businesses require auditors who understand both financial reporting and the technological environment in which digital assets operate.

Our multidisciplinary approach combines expertise in:

statutory audit;International Standards on Auditing;International Financial Reporting Standards;corporate governance;blockchain technology;digital asset accounting;financial controls; andregulatory compliance.

This enables us to provide practical, technically robust and independent assurance that supports management, investors and regulators alike.

Frequently Asked Questions

Do you audit Crypto-Asset Service Providers (CASPs)?

Yes. We specialise in statutory audits of Cyprus CASPs operating within the European regulatory framework.

Do you audit cryptocurrency exchanges?

Yes. We perform statutory audits for cryptocurrency exchanges and other blockchain businesses, subject to our independence requirements.

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Can blockchain transactions be audited?

Yes. Blockchain technology provides transparent transaction records that may form part of the audit evidence. However, auditors also evaluate ownership, control, valuation, governance and supporting documentation in accordance with International Standards on Auditing.

Do you provide advice on accounting for crypto-assets?

Yes. We advise clients regarding the application of IFRS to crypto-assets, digital asset transactions and related financial reporting matters.

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Do you provide regulatory consulting?

Our primary role is to provide independent statutory audit and assurance services. Where appropriate, we also assist clients with audit readiness, governance and financial reporting matters while maintaining auditor independence.

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Contact Our Blockchain Audit Specialists

As blockchain technology continues to reshape financial markets, organisations require auditors with an understanding of both traditional financial reporting and digital asset ecosystems.

Whether your organisation is a MiCA-authorised Crypto-Asset Service Provider, a fintech company or another blockchain-based business, our experienced professionals provide independent statutory audit services designed to meet the highest professional and regulatory standards.

Contact us to discuss your statutory audit requirements and how our blockchain audit specialists can support your organisation.

Talk to a crypto audit specialist

Wallet verification, statutory audit, accounting clean-up and the tax position — one team, one engagement.

Call us today: +357 22 336 309