Invest3 distinct publishers3 min readUpdated
Dutch prosecutors sold the seized crypto for €2.2 million against deposits the trustee puts at €10 million to €12 million. The gap is structural, not a hacking story.
The Investor · Invest desk

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Dutch prosecutors have sold the cryptocurrency seized from collapsed Rotterdam platform Knaken for €2.2 million, about $2.5 million, and court-appointed trustee Carl Hamm says those proceeds are currently the only money in the bankruptcy estate [1][2]. Set against customer deposits Hamm estimates at €10 million to €12 million, that is a recovery of roughly 18 to 22 cents on the euro before any wind-down costs [3][4]. The mechanism matters more than the number. On Hamm's account of how the service was wired, a customer putting €100 into Bitcoin paid Knaken €1 in fees, and Knaken used the remaining €99 to open a position on an exchange in Knaken's own name [5]. The app showed a rising crypto balance; what the customer actually held was a claim on a euro value, and many assumed the tokens were theirs [6]. Hamm adds that Knaken did not appear to hold crypto matching the balances users were shown, and that trading and running costs had for a long time ended up in "one pot" while the business lost money [7]. Nothing about that structure requires a theft to produce a hole. It produces one automatically the moment the operator is insolvent, because unsecured euro claims rank behind nothing and are secured by nothing. Hamm has written to about 6,300 people who recently held a position, telling them not to expect much back [8]. He is still checking whether cash sits elsewhere, whether anyone owes Knaken money, and whether other assets can be sold; beyond customers there are hardly any other creditors, aside from a possible slice of unpaid payroll tax [9]. On his own deposit range, the shortfall is €7.8 million to €9.8 million [10]. In July, prosecutors put the missing sum at around €7 million across roughly 30,000 users [11]. The owner, Ronald J., rejects the trustee's framing. He says he does not acknowledge the €10 million to €12 million figure, that Knaken operated as a broker with every order routed through a liquidity provider and logged with an order ID, executed price and timestamp, and he calls the suggestion that money went uninvested "pertinent onjuist" and damaging, while accepting that an uncovered portion existed [12]. Separately, the bankruptcy hearing heard he had moved €2.3 million from a company account to a company he controlled, which the court described as a form of conflict of interest; he says the arrangement was for marketing work, and gave broadcaster Rijnmond records the broadcaster reported showed no sign he had enriched himself [13]. A lawyer for one customer challenged whether prosecutors were entitled to liquidate the holdings at all, asking "Whose crypto was it?" and comparing it to a garage going bankrupt and selling the car parked inside [14]. Prosecutors say they had good reasons and declined to give them, presumably relying on the provision allowing sale of seized goods liable to depreciate [15]. Hamm said he understood it, since a fall in price after a decision not to sell would only have widened the shortfall [16]. The backdrop is a firm that never held the licence the Dutch markets regulator requires [17], went offline in early June, and was declared bankrupt on 16 July along with Stichting Knaken Payments after prosecutors sought a winding-up in the public interest [18]. Its troubles trace to a 2020 hack of 23 bitcoins, worth about €140,000 at the time, which J. blamed for losses running to millions [19]. It then sponsored Feyenoord, Sparta, Heracles, Heerenveen and briefly Ajax while continuing to sell certificates and take customer loans [20]. It did not report its problems to De Nederlandsche Bank, whose remit then covered money laundering and terrorist financing, with solvency outside its scope [21].
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Hamm said a customer putting €100 into Bitcoin paid €1 to Knaken as a fee, and Knaken used the remaining €99 to open a position on an exchange in Knaken's own name.
Customers saw a crypto balance increase in the app, but what they owned was a claim on the value in euros rather than the coins, and many assumed the tokens belonged to them.
Dutch prosecutors sold the cryptocurrency seized from collapsed platform Knaken for €2.2 million, about $2.5 million, according to court-appointed trustee Carl Hamm.
Hamm told broadcaster Rijnmond the sale proceeds are currently the only money in the bankruptcy estate.
Hamm said he is still checking whether cash is elsewhere, whether anyone owes Knaken money, and whether other assets can be sold, and that beyond customers there are hardly any other creditors aside from a possible slice of unpaid payroll tax.
The bankruptcy hearing heard that Ronald J. had moved €2.3 million ($2.7 million) from Knaken to a company he controlled, a transaction the court described as a form of conflict of interest; he says it was set up for marketing work to keep functions separate, and gave Rijnmond years of records the broadcaster reported showed no sign he had enriched himself.
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Strong official sourcing, two incompatible loss figures
The core facts come from a court-appointed trustee, a Rotterdam court ruling and the Public Prosecution Service, and are corroborated across three independent outlets: the €2.2 million of proceeds, the 16 July bankruptcy, and the custody structure that left customers with euro claims. Evidence weakens on quantum — the trustee's €10–12 million deposit estimate and the prosecutors' ~€7 million shortfall are used interchangeably by different publishers — and on the trustee's assertion that no matching crypto was held, which the owner directly denies and which the open FIOD probe has not yet resolved.
Real retail footprint, now wound down
The exposure is concrete rather than speculative: an app used by a customer base prosecutors put near 30,000, about 6,300 recent position holders formally notified by the trustee, sponsorships of Feyenoord, Sparta, Heracles, Heerenveen and briefly Ajax, and certificates plus customer loans. Against that, the platform has been offline since early June, was declared bankrupt on 16 July, and its assets were liquidated in August, so there is no ongoing adoption — only a documented, closed footprint being distributed through an estate.
Framing mostly earned; loss figures inflate easily
The custody framing is understated rather than overstated — it is exactly what the trustee describes and what all three outlets corroborate. The overstatement risk sits in the numbers: headline shortfall language mixes a €7 million prosecutor estimate with a €10–12 million trustee estimate, 'around 30,000 customers' is used for loss-sizing when only ~6,300 recent position holders were notified, and the owner's denial plus a possible creditor settlement and clawbacks are treated as footnotes even though they could move the eventual recovery. Cryptobriefing's 'MiCA's first real stress test' framing also runs ahead of what any cited authority states.
Multiple interested parties, one silent
Nearly every voice in the cluster has a stake. The trustee's estimates set expectations for a distribution he administers and support potential clawback actions; the owner disputes both the deposit figure and the no-crypto assertion while a criminal probe and a €2.3 million related-party transfer the court called a conflict of interest hang over him, and he is simultaneously pitching a creditor settlement; the customer's lawyer challenges the sale on behalf of a claimant; and prosecutors, who both petitioned for the winding-up and liquidated the assets, decline to state their legal basis, leaving reporters to presume Article 117. All three publishers are crypto trade outlets covering a story about crypto platform risk.
Facts solid, quantum and blame unsettled
High confidence in the procedural spine — bankruptcy date, entities, proceeds, licence status, DNB's limited remit — because court and trustee records are consistently reported by three outlets. Lower confidence in the size of the hole, the ultimate recovery rate and whether customer money was genuinely never invested, since the deposit estimate is disputed by the owner, an alternative €7 million figure circulates, the estate inventory is incomplete, and the FIOD investigation remains open with no arrests.
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