English High Court Treated Bitcoin as Property in Ransom Recovery Case

The High Court of England and Wales treated bitcoin as property capable of being protected by a proprietary injunction on December 13, 2019, in a ransomware-related recovery case. The decision supplied a practical English-law answer to a question with consequences for tracing, custody and civil recovery: could a court preserve cryptocurrency as identifiable property before a dispute over ownership was finally resolved?

Mr Justice Bryan answered that limited question affirmatively in *AA v Persons Unknown*, neutral citation [2019] EWHC 3556 (Comm). He granted an interim proprietary injunction covering 96 bitcoin. The ruling did not determine final title to the coins, establish liability against every defendant or produce a general statute governing digital assets. It found that there was a serious issue to be tried and that bitcoin could qualify as property for the purpose of interim relief.

A ransom payment traced to an exchange

The claimant, identified only as AA, was an insurer covering cyberattacks. According to the court record, malware encrypted a customer’s computer systems, and the attackers demanded bitcoin on October 10 and October 11, 2019, in exchange for a decryption tool.

AA, acting through an incident-response company, agreed to fund a $950,000 ransom payment. The payment purchased 109.25 bitcoin, of which investigators traced 96 bitcoin to an address linked to the Bitfinex exchange. The defendants included the unidentified ransom demanders, unidentified controllers of the specified bitcoin, and two entities associated with Bitfinex.

The proceeding was heard without notice and in private. The judge considered secrecy necessary because publicity could alert the unidentified defendants and permit the bitcoin to be moved. The court also recognized the risks of retaliatory or copycat attacks and anonymized the insurer and its customer.

Why bitcoin could count as property

Bitcoin did not fit neatly into the traditional distinction between tangible property and a legal right enforceable through an action. That classification problem did not prevent the court from recognizing it as property.

The judge applied four characteristics associated with property under English law: the asset had to be definable, identifiable by third parties, capable of assumption by third parties and sufficiently permanent. He concluded that bitcoin met those criteria.

The reasoning relied heavily on the UK Jurisdiction Taskforce’s November 2019 legal statement on cryptoassets and smart contracts. That statement argued that an asset’s novel or intangible form did not automatically exclude it from property law. Earlier English cases had already issued protective orders involving bitcoin or ether, but the December 13 judgment addressed the classification question more directly.

This was a judicial conclusion about property and interim remedies—not a declaration that bitcoin was legal tender, a regulated security or an approved investment product. Those are separate questions governed by different legal tests.

Relief granted—and relief deferred

Besides preserving the 96 bitcoin, the court authorized measures intended to identify the unknown defendants and permitted alternative service and service outside the jurisdiction. The court expected information associated with the exchange address to help identify the address controller and, potentially, the ransom demanders.

Applications for a freezing injunction and for Bankers Trust or Norwich Pharmacal disclosure orders were adjourned. That distinction matters: the December 13 order gave AA meaningful protection, but not every form of relief it requested.

For market context, Kraken’s December 13 report placed bitcoin at $7,245, up 0.18% for its reporting period, with $44.1 million of bitcoin volume and $63.7 million across all markets on that exchange. Those figures are a venue-specific snapshot across Kraken’s supported currency pairs, not a global closing price or total-market volume. Because the judgment remained private, the ruling cannot credibly be presented as the cause of that session’s price movement.

Later publication context

Reporting restrictions were lifted on January 17, 2020, and the judiciary’s judgment page was published on February 3, 2020. The legal development occurred on December 13, 2019, but it was not part of the public information available to cryptocurrency traders on that date.