Irish Police Crack Bitcoin Wallet Holding $35M After Keys Were Lost for Years

Irish authorities have successfully accessed a Bitcoin wallet containing 500 BTC worth over $35 million, years after the private keys were believed to be permanently lost, marking a rare breakthrough in cryptocurrency recovery.

Ireland’s Criminal Assets Bureau announced on Tuesday that it gained access to and seized the cryptocurrency wallet with assistance from Europol’s European Cybercrime Centre. The wallet is one of 12 Bitcoin addresses linked to convicted drug dealer Clifton Collins.

“Europol hosted operational meetings at its headquarters in The Hague, the Netherlands, and provided critical support to Bureau investigators and analysts with the provision of highly complex technical expertise and decryption resources vital to the success of the operation,” the CAB said in a statement.

The recovered wallet represents just a fraction of Collins’ total Bitcoin holdings. According to blockchain intelligence platform Arkham, Collins controls 14 addresses containing approximately 5,500 Bitcoin, currently valued at more than $391 million.

Collins was arrested in 2017 after police discovered cannabis during a vehicle search. Investigators determined he had used proceeds from his drug operation to purchase 6,000 Bitcoin in late 2011 and early 2012, distributing the holdings across 12 separate wallets.

The drug dealer stored all his wallet access codes on a single sheet of A4 paper, which he concealed inside the aluminum cap of a fishing rod case at his rental property. Collins was subsequently sentenced to five years in prison for growing and selling cannabis.

The private keys vanished after Collins’ landlord cleared out the rental home following his arrest and sentencing, discarding his belongings in the process. However, Collins has maintained that the fishing rod case was stolen before the landlord entered the property.

On Tuesday, a wallet flagged by Arkham as “Clifton Collins: Lost Keys” transferred 500 Bitcoin to Coinbase Prime, more than a decade after the coins were initially deposited. The transaction marks the first movement from these addresses in years.

The successful recovery represents an unusual outcome in cryptocurrency cases. Most lost Bitcoin private keys remain permanently inaccessible due to the cryptographic security underlying blockchain technology. Once a private key is lost, there is typically no way to recover it or access the wallet.

The CAB’s achievement required sophisticated technical resources and international cooperation. Europol’s involvement proved crucial, providing the decryption capabilities and expertise necessary to crack the wallet’s security measures.

According to the Irish Times, the remaining 11 wallets associated with Collins still contain approximately 5,500 Bitcoin. Whether authorities will be able to access these additional wallets using similar methods remains unclear.

The case highlights both the challenges and opportunities law enforcement faces when dealing with seized cryptocurrency assets. While blockchain’s transparent nature allows authorities to identify and track illicit funds, accessing wallets without private keys has historically been nearly impossible.

Cointelegraph has reached out to the Criminal Assets Bureau and An Garda Síochána for additional details about the technical methods used to crack the wallet, but has not received a response at the time of this publication.

See also: South Korea Orders Cross-Agency Probe After Tax Office Leaks Crypto Wallet Seed Phrase

The recovered Bitcoin will likely be liquidated by Irish authorities as part of the criminal asset forfeiture process. The $35 million seizure represents one of the largest cryptocurrency recoveries in Irish law enforcement history.

Collins’ case serves as a cautionary tale about the importance of secure key management in cryptocurrency holdings. While he attempted to protect his Bitcoin fortune by hiding the private keys, the physical storage method ultimately proved vulnerable to loss.