Case Study: Crypto forensics in Europe

Crypto forensics is the discipline of tracing, attributing and preserving blockchain transaction data for use in legal proceedings. In Europe, it has moved from a niche investigative tool to a mainstream component of commercial litigation, insolvency proceedings and regulatory enforcement. Businesses that have suffered crypto fraud, misappropriation of digital assets or counterparty default now have a structured legal pathway - provided they act quickly and engage the right combination of technical and legal expertise. This article walks through the forensic process, the legal frameworks that govern it across key European jurisdictions, the procedural tools available to litigants, and the practical scenarios where forensic evidence has proven decisive.

Crypto forensics is not simply running a blockchain explorer. In a litigation context, it is a structured process that begins with raw transaction data and ends with court-admissible evidence capable of supporting an injunction, a freezing order or a judgment debt.

The core steps are:

• Wallet clustering - grouping addresses controlled by the same entity using heuristic analysis
• Transaction graph mapping - tracing the flow of funds across multiple hops and exchanges
• Exchange attribution - identifying which regulated platform received the funds
• KYC linkage - obtaining identity data from that platform through legal process
• Evidence packaging - presenting findings in a format that meets the evidentiary standards of the target court

Each step has both a technical and a legal dimension. The technical work is performed by specialist forensic firms. The legal work - obtaining court orders, serving disclosure requests, preserving evidence - requires qualified lawyers in the relevant jurisdiction. Conflating the two roles is one of the most common mistakes made by international clients unfamiliar with European procedure.

European courts have increasingly accepted blockchain transaction records as documentary evidence, provided they are authenticated properly. Authentication typically requires a signed expert report, a chain-of-custody declaration and, in some jurisdictions, court appointment of the forensic expert as a neutral technical adviser rather than a party-retained witness.

The Regulation (EU) 2023/1114 on Markets in Crypto-Assets (MiCA) has created a new layer of regulatory infrastructure that forensic practitioners can leverage. MiCA requires crypto-asset service providers (CASPs) authorised in the EU to maintain transaction records and cooperate with competent authorities. While MiCA does not create a private right of action, its record-keeping obligations make it significantly easier to obtain disclosure from EU-regulated exchanges through court orders or regulatory referrals.

European jurisdictions share a common foundation in civil procedure but diverge significantly on how blockchain evidence is treated, how quickly courts can act and what interim relief is available.

Germany. The Zivilprozessordnung (Code of Civil Procedure), specifically its provisions on documentary evidence and expert witnesses, provides the primary framework. German courts treat blockchain records as electronic documents subject to the same authentication requirements as any other digital file. The Bürgerliches Gesetzbuch (Civil Code), in its provisions on unjust enrichment and tort, supplies the substantive cause of action in most crypto fraud cases. German courts have shown willingness to grant einstweilige Verfügung (interim injunctions) in crypto disputes where the claimant can demonstrate urgency and a prima facie case. Procedural deadlines are tight: an ex parte application can be heard within days, but the claimant must serve the respondent and confirm the injunction at a full hearing within a short window, typically one month.

Netherlands. The Wetboek van Burgerlijke Rechtsvordering (Code of Civil Procedure) allows for a kort geding (summary proceedings) before the Rechtbank, which can produce a binding interim order within one to three weeks. Dutch courts have a strong tradition of granting asset freezes in cross-border fraud cases. The Netherlands is also home to several major European crypto exchanges, making it a strategically important jurisdiction for KYC disclosure requests. A non-obvious risk is that Dutch kort geding orders are provisional: if the claimant does not commence substantive proceedings within the time specified by the court, the order lapses.

United Kingdom. Post-Brexit, English law remains highly relevant for European crypto disputes because many contracts specify English law and London arbitration. The High Court of England and Wales has developed a sophisticated body of case law on crypto asset tracing. The court has confirmed that crypto assets are property capable of being subject to a proprietary injunction, a Worldwide Freezing Order (WFO) and a Norwich Pharmacal Order (NPO) - a disclosure order directed at a third party, typically an exchange, compelling it to reveal the identity of an account holder. NPOs can be obtained on an ex parte basis and served globally, including on exchanges with EU operations.

France. The Code de procédure civile (Code of Civil Procedure) and the Code civil (Civil Code) govern crypto disputes. French courts have accepted blockchain evidence in commercial fraud cases, though the authentication process is more formalistic than in common law jurisdictions. The référé (emergency interim procedure) before the Tribunal de commerce or Tribunal judiciaire can produce orders within days. France';s Autorité des marchés financiers (AMF) has jurisdiction over registered digital asset service providers (DASPs) and can be engaged as a parallel channel for obtaining exchange records.

Switzerland. Although not an EU member, Switzerland is a major hub for crypto businesses and arbitration. The Schweizerische Zivilprozessordnung (Swiss Code of Civil Procedure) and the Bundesgesetz über Schuldbetreibung und Konkurs (Federal Act on Debt Enforcement and Bankruptcy) provide the procedural tools. Swiss courts and arbitral tribunals seated in Geneva or Zurich regularly handle crypto asset disputes. The Swiss Financial Market Supervisory Authority (FINMA) supervises crypto exchanges and can be engaged in parallel with civil proceedings.

To receive a checklist on crypto forensics evidence preparation for European litigation, send a request to info@vlolawfirm.com

The practical sequence of a crypto forensics engagement in Europe follows a predictable pattern, though the timeline and cost vary significantly depending on the complexity of the transaction chain and the number of jurisdictions involved.

Stage one: incident triage and evidence preservation. The first 48 to 72 hours after discovering a loss are critical. Blockchain data is immutable, but the claimant';s own records - wallet addresses, transaction IDs, correspondence with the counterparty, exchange account screenshots - can be lost or overwritten. A common mistake is waiting to engage lawyers until after internal IT teams have "investigated," by which point key metadata has been destroyed. Preservation notices should be sent to any exchange or custodian that may hold relevant data within the first week.

Stage two: on-chain tracing. The forensic team maps the transaction graph from the victim';s wallet through intermediate addresses to the point where funds either reached a regulated exchange, were converted to fiat, or became dormant. This stage typically takes two to four weeks for a moderately complex case. The output is a transaction graph report showing each hop, the amounts involved, the timestamps and the exchange attribution where identifiable.

Stage three: legal process for identity disclosure. Once funds are traced to a regulated exchange, the legal team applies for a disclosure order in the jurisdiction where the exchange is incorporated or has a significant presence. In the EU, this is typically the jurisdiction of the CASP';s MiCA authorisation. The application must demonstrate a prima facie case of fraud or misappropriation and identify the specific accounts to which the order relates. Courts in the Netherlands, Germany and England have all granted such orders against EU-regulated exchanges. Processing time ranges from a few days for ex parte orders to four to six weeks for contested applications.

Stage four: interim asset preservation. Simultaneously with or immediately after obtaining identity disclosure, the legal team applies for a freezing order over the identified assets. In civil law jurisdictions, this is typically a saisie conservatoire (France) or a Arrestbefehl (Germany/Switzerland) - a provisional attachment of assets pending judgment. In England, it is a WFO or a proprietary injunction. The key requirement in all jurisdictions is demonstrating a real risk of dissipation: the respondent is likely to move or conceal assets if not restrained. Blockchain evidence of rapid fund movement across multiple wallets is highly persuasive on this point.

Stage five: substantive proceedings or settlement. Once assets are frozen and the respondent is identified, the claimant has leverage to negotiate a settlement or proceed to judgment. Substantive proceedings in European commercial courts typically take 12 to 24 months to first instance judgment. Arbitration under ICC, LCIA or Swiss Rules can be faster but requires a valid arbitration clause. Many crypto fraud cases settle after the freezing order is obtained, because the respondent faces the prospect of a contested hearing at which their identity and transaction history will be fully exposed.

In practice, it is important to consider that the cost of a full forensic and litigation engagement - covering forensic fees, legal fees across multiple jurisdictions and court costs - typically starts from the low tens of thousands of EUR and can reach six figures in complex multi-jurisdictional cases. The decision to proceed should be calibrated against the amount at stake: cases below EUR 50,000 may not be economically viable for full litigation, though interim orders can sometimes be obtained cost-effectively to force a settlement.

Scenario one: corporate treasury fraud involving a mid-sized manufacturer. A German manufacturing company authorised a treasury payment in USDC to a supplier. The supplier';s wallet address had been substituted by a fraudster who had compromised the company';s email system. The amount involved was approximately EUR 800,000. The company';s lawyers filed an ex parte application for an einstweilige Verfügung before the Landgericht within 48 hours of discovery. Forensic tracing showed the funds had moved through three intermediate wallets before reaching a Malta-based CASP authorised under MiCA. A disclosure order was obtained from the Maltese courts within ten days. The CASP identified the account holder, whose assets were then frozen pending substantive proceedings. The matter settled before trial.

Scenario two: investment fraud targeting a family office. A Luxembourg-based family office invested EUR 2.5 million in a structured crypto product offered by a firm that subsequently disappeared. The investment had been made in Bitcoin. Forensic tracing identified that the Bitcoin had been split across multiple wallets and partially converted to Monero - a privacy coin that significantly complicates tracing. The recoverable portion, approximately 60% of the original investment, was traced to accounts at two exchanges, one in the Netherlands and one in the UK. Parallel proceedings were commenced in both jurisdictions. The Dutch kort geding produced a freezing order within two weeks. The English NPO was served on the UK exchange within the same period. The unrecoverable portion - the Monero conversion - illustrates a critical risk: once funds enter a privacy coin, forensic recovery becomes technically very difficult and may be practically impossible.

Scenario three: insolvency of a crypto exchange and creditor recovery. A Polish technology company held EUR 1.2 million in crypto assets on a mid-tier European exchange that entered insolvency proceedings. The company';s lawyers engaged forensic experts to trace the company';s specific assets within the exchange';s on-chain holdings, with a view to asserting a proprietary claim rather than an unsecured creditor claim. This distinction is significant: a proprietary claimant recovers assets in priority to unsecured creditors. The forensic analysis demonstrated that the company';s assets had been held in segregated wallets, supporting the proprietary claim. The insolvency administrator accepted the claim, and the company recovered approximately 85% of its holdings - substantially more than the unsecured creditor distribution.

To receive a checklist on interim asset freezing procedures in European crypto disputes, send a request to info@vlolawfirm.com

Delay is the single largest risk. Crypto assets move faster than court processes. A fraudster who receives notice of an investigation - through a poorly drafted demand letter, a premature regulatory complaint or a leak - can move funds within minutes. The window between discovery and effective freezing is typically measured in days, not weeks. Every day of delay reduces the probability of recovery.

Jurisdictional missteps. International clients frequently file in the wrong jurisdiction - either their home court, which may have no connection to the assets or the respondent, or a jurisdiction chosen for familiarity rather than strategic advantage. The correct jurisdiction is determined by where the assets are held, where the exchange is incorporated, where the respondent has attachable property and where enforcement of a judgment will be most effective. These factors rarely point to the same place, requiring a multi-jurisdictional strategy from the outset.

Overreliance on blockchain evidence alone. Blockchain evidence establishes the flow of funds. It does not, by itself, establish the identity of the person who controlled a wallet, the legal basis for recovery or the respondent';s knowledge and intent. Courts require the forensic evidence to be combined with conventional evidence - contracts, correspondence, KYC records, corporate registry data - to build a complete legal case. A common mistake is presenting a transaction graph to a court without the supporting legal analysis that connects it to a cause of action.

Failure to engage with regulatory channels. In parallel with civil proceedings, referrals to the relevant national competent authority - the BaFin in Germany, the AFM in the Netherlands, the AMF in France, the FCA in the UK - can accelerate disclosure from regulated exchanges. Regulators have powers that courts do not, including the ability to compel production of records without a court order in some circumstances. Many clients overlook this channel entirely, focusing exclusively on civil litigation.

Privacy coin conversion and mixing. As illustrated in scenario two, the conversion of traceable assets into privacy coins or through mixing services creates a forensic dead end. The legal response is to seek recovery of the traceable portion while pursuing the respondent personally for the full loss on a damages basis. This requires establishing that the respondent deliberately obfuscated the trail, which itself is evidence of fraudulent intent.

Inadequate expert evidence. Courts in Germany, France and the Netherlands apply rigorous standards to expert evidence. A forensic report prepared by an unqualified analyst, or one that does not meet the formal requirements of the relevant procedural code, will be rejected. The Sachverständiger (court-appointed expert) mechanism in Germany and the expert judiciaire system in France require the expert to be registered and to follow prescribed reporting formats. Engaging a forensic firm that is unfamiliar with European evidentiary standards is a costly mistake that can derail an otherwise strong case.

A non-obvious risk is that some European jurisdictions impose costs sanctions on claimants who obtain interim orders but fail to proceed to substantive judgment within the prescribed period. If a freezing order is obtained but the claimant cannot sustain the litigation to judgment - due to cost, complexity or evidentiary gaps - the respondent may recover damages for the wrongful freezing. This risk must be assessed before applying for interim relief.

The most effective approach to crypto asset recovery in Europe is not a single-jurisdiction filing but a coordinated strategy that uses each jurisdiction';s procedural strengths in sequence.

The typical structure begins with England or the Netherlands for the initial freezing order, because both jurisdictions offer fast ex parte relief, strong enforcement mechanisms and courts experienced in crypto disputes. The freezing order is then used as leverage in disclosure applications in the jurisdiction where the exchange is incorporated - which, post-MiCA, is increasingly an EU member state. Once identity is established, substantive proceedings are commenced in the jurisdiction most favourable to the claimant on the merits, which may be Germany, France or Switzerland depending on the applicable law and the location of the respondent';s assets.

The business economics of this approach require careful analysis. A multi-jurisdictional strategy involves legal fees in at least two and often three or four jurisdictions, forensic fees, translation costs and court fees. Total costs for a well-run multi-jurisdictional case typically start from the low tens of thousands of EUR for a straightforward case and scale upward with complexity. The decision threshold - the minimum amount at stake that justifies full litigation - is generally in the range of EUR 100,000 to EUR 200,000 for a multi-jurisdictional approach, though this varies with the specific facts.

For smaller amounts, a focused single-jurisdiction strategy - targeting the jurisdiction where the exchange is incorporated and combining a disclosure order with a freezing order in a single application - can be more cost-effective. Some jurisdictions, including the Netherlands and England, allow combined applications that reduce procedural burden and cost.

Arbitration is an alternative where the parties have a valid arbitration clause. ICC arbitration seated in Paris, LCIA arbitration in London or Swiss Arbitration Centre proceedings in Geneva can all accommodate crypto disputes. Arbitral tribunals have the same power as courts to order interim measures, and arbitral awards are enforceable across 170 countries under the New York Convention. The limitation is that arbitration requires a pre-existing agreement: it cannot be used unilaterally against a fraudster with whom there is no contractual relationship.

MiCA';s travel rule provisions - which require CASPs to transmit originator and beneficiary information with crypto-asset transfers above EUR 1,000 - create a new evidentiary resource. As MiCA implementation matures, travel rule data held by EU-regulated CASPs will become a standard target for disclosure orders, significantly reducing the forensic burden of wallet attribution.

We can help build a strategy for crypto asset recovery across European jurisdictions. Contact info@vlolawfirm.com to discuss your specific situation.

To receive a checklist on multi-jurisdictional crypto recovery strategy in Europe, send a request to info@vlolawfirm.com

What is the most significant practical risk when pursuing crypto asset recovery in Europe?

The greatest practical risk is the speed differential between asset movement and legal process. A fraudster who becomes aware of an investigation can move funds across multiple wallets and jurisdictions within hours. This means that the quality of the initial legal strategy - specifically, whether the first court application is filed before the respondent has any notice - is often determinative of the outcome. Claimants who spend weeks gathering evidence before filing frequently find that assets have been dissipated by the time an order is obtained. The correct approach is to file for interim relief on the basis of available evidence and supplement the record as the case develops.

How long does a crypto forensics case in Europe typically take, and what does it cost?

The timeline from discovery to a first instance judgment in substantive proceedings is typically 12 to 24 months in most European jurisdictions. However, interim relief - a freezing order or disclosure order - can often be obtained within days to weeks of filing. Many cases settle after interim relief is granted, meaning the effective resolution timeline is shorter than the full litigation timeline. Costs depend heavily on complexity and the number of jurisdictions involved. A focused single-jurisdiction case involving one exchange and a clear transaction trail may cost from the low tens of thousands of EUR in total legal and forensic fees. A multi-jurisdictional case with contested hearings and complex forensic work will cost significantly more.

When should a claimant choose arbitration over court litigation for a crypto dispute in Europe?

Arbitration is the better choice when there is a valid arbitration clause in the contract governing the relationship, when the claimant needs an enforceable award across multiple non-EU jurisdictions, or when confidentiality is a priority. Court litigation is preferable when there is no arbitration clause, when the claimant needs to act against a third party such as an exchange that is not party to any agreement, or when the speed of ex parte court relief is critical. In practice, many crypto fraud cases involve no prior contractual relationship at all - the fraud is committed by a stranger - making arbitration unavailable and court litigation the only option. Where both options are available, the choice should be driven by the location of the assets, the applicable law and the enforcement landscape.

Crypto forensics in Europe has matured into a reliable legal discipline, supported by improving regulatory infrastructure under MiCA, experienced courts in multiple jurisdictions and a growing body of procedural tools for interim relief and disclosure. The combination of on-chain tracing, targeted disclosure orders and coordinated freezing applications gives claimants a realistic pathway to recovery - provided they act quickly, engage qualified experts and build a strategy calibrated to the specific jurisdictions where assets are held. The cases where recovery fails are overwhelmingly cases where action was delayed, jurisdiction was misidentified or forensic evidence was not properly authenticated for court use.

Our law firm VLO Law Firms has experience supporting clients in European jurisdictions on crypto asset tracing, blockchain evidence preparation and multi-jurisdictional recovery matters. We can assist with forensic strategy coordination, interim relief applications, exchange disclosure orders and substantive proceedings across Germany, the Netherlands, France, Switzerland, the United Kingdom and other relevant jurisdictions. To receive a consultation, contact: info@vlolawfirm.com