Part of the CustodyStress archive of observed Bitcoin custody incidents
Regulatory Intervention
Cases where a regulatory body, law enforcement, or government agency was involved in the recovery or return of funds.
Among the 18 cases using this recovery path, 6% of determinate cases resulted in access restored and 56% resulted in a blocked outcome.
Archive analysis — 18 cases
Outcomes
56% of determinate cases resulted in blocked access — 13 percentage points below the archive-wide average of 69%. Only 6% resulted in recovered access — one of the lower survival rates in the archive. 39% resulted in constrained recovery.
Custody type
72% of cases involved exchange custody, followed by hardware wallet (single key) at 6%.
Primary stress condition
72% of cases involve legal or authority constraint. Vendor lockout accounts for a further 22%.
Documentation
67% of cases had present and interpretable documentation — yet still produced a blocked or constrained outcome.
Scale
22% of cases involved large or very large holdings (10+ BTC).
Structural dependency
67% of cases carry a legal authority required dependency tag — the most common structural factor in this subset.
10
Blocked
7
Constrained
1
Survived
0
Indeterminate
94% of determinate cases resulted in blocked or constrained access.
18 observed cases
Blocked
10 (56%)
Constrained
7 (39%)
Survived
1 (6%)
Police Foil Cryptocurrency Entrepreneur Kidnapping in Nantes, France
Unknown custody system
In May 2025, French police in Nantes conducted an arrest operation targeting an organized kidnapping network. Ten men, all wearing balaclavas, were apprehended
LCX Hot Wallet Compromised: $6.8M Stolen, $1.3M Recovered Through Blockchain Tracing
Exchange custody
On January 9, 2022, LCX, a Liechtenstein-based cryptocurrency exchange operating under Financial Market Authority licensing, discovered that one of its hot wall
Einstein Exchange Vancouver: $16M CAD Claimed Liabilities, Insolvent Collapse 2019
Exchange custody
Einstein Exchange, a Vancouver-based cryptocurrency platform founded by Michael Ongun Gokturk, marketed itself as Canada's fastest-growing digital currency exch
BTC-e Exchange Seized by U.S. DOJ: 1 Million Users Lose Access (July 2017)
Exchange custody
BTC-e, founded in 2011 and headquartered in Russia, operated as an unlicensed money transmitter for six years, processing over $9 billion in cryptocurrency tran
Homeland Security Bitcoin Seizure: Unencrypted Seed Phrase Discovered During Search
Software wallet
BurtW, a BitcoinTalk forum user, revealed in April 2017 that he had been arrested and that Homeland Security conducted searches of both his home and office. Dur
Uphold Freezes 165 BTC Business Account: Inconsistent Enforcement and Unresolved Access
Exchange custody
Oleg operated Nexchange.io, a cryptocurrency exchange that used Uphold as a liquidity provider. In 2017, he executed a single trade of 165 BTC (approximately $1
CHBTC Bitcoin Withdrawal Suspension Under PBOC Regulatory Order (February–mid-2016)
Exchange custody
In late January and early February 2016, China's People's Bank (PBOC) convened meetings with major Bitcoin exchanges to mandate upgraded Know Your Customer (KYC
Poloniex Suspends New Hampshire Operations, Forces User Withdrawals by October 6, 2016
Exchange custody
In September 2016, Poloniex, a major US-based cryptocurrency exchange known for altcoin trading, announced a service suspension affecting all New Hampshire resi
OKCoin Bitcoin Withdrawal Freeze: PBOC Regulatory Action Extends 4 Months (February–June 2016)
Exchange custody
The People's Bank of China initiated regulatory inspections of OKCoin, Huobi, and BTCC in early January 2016, identifying serious compliance gaps: illegal margi
Huobi Bitcoin Withdrawal Freeze: 4-Month Regulatory Lockout (February–June 2016)
Exchange custody
Huobi, one of China's largest cryptocurrency exchanges, was subject to a January 2016 People's Bank of China (PBOC) inspection that also targeted OKCoin and BTC
BTCC and Major Chinese Exchanges Freeze Bitcoin Withdrawals Under PBOC Compliance (Feb–Jun 2016)
Exchange custody
BTCC (BTCChina), founded in 2011 and led by CEO Bobby Lee, was one of the world's oldest and largest Bitcoin exchanges. In January 2016, the People's Bank of Ch
MintPal/Moolah Exchange Collapse: 3,700 BTC Inaccessible After Ryan Kennedy's Exit Scam
Exchange custody
MintPal was a prominent altcoin exchange serving tens of thousands of users in 2014. Following a July 2014 hack that cost approximately $2 million in VeriCoin,
DHS Seizure of Mt. Gox Dwolla and Wells Fargo Accounts (May 2013)
Exchange custody
On May 15, 2013, the US Department of Homeland Security, acting through Immigration and Customs Enforcement, seized approximately $2.9 million from Mt. Gox's Dw
Bitomat.pl Exchange Loses 17,000 BTC to AWS Instance Restart
Exchange custody
Bitomat.pl operated as the third-largest Bitcoin exchange globally and the largest in Poland during the early 2011 cryptocurrency market. On July 26, 2011, the
Tax Conviction Forces $124M Bitcoin Disclosure Order, But Keys Remain Inaccessible
Hardware wallet (single key)
Richard Ahlgren III, an early Bitcoin investor, was convicted of tax evasion for underreporting capital gains from cryptocurrency sales. A Texas federal court i
Federal Seizure of James Zhong's 50,000 Bitcoin Following Theft Conviction
Unknown custody system
James Zhong was convicted and sentenced to one year in federal prison for theft of Bitcoin from seized Silk Road proceeds. Federal authorities recovered approxi
Vinny Troia: Coinbase Account Frozen Over Compliance Interpretation
Exchange custody
In 2017, Vinny Troia, a professional security consultant and white-hat hacker, purchased Bitcoin on Coinbase and found his account suspended shortly thereafter.
500 Bitcoin Lost After Police Obtained Seed Phrase
Unknown custody system
Glaidson Acácio dos Santos, a Brazilian cryptocurrency figure, lost control of 500 bitcoins after police obtained his seed phrase. The exact circumstances of th
Recovery paths
No Viable Path
None Attempted
Password Bruteforce
Coerced Transfer
Exchange Support
Unknown
Technical Recovery
Estate Process
Legal Proceedings
Derivation Path Correction
Seed Phrase Located
Bankruptcy Claims Process
Partial Recovery Only
Software Downgrade
Vendor Support
Alternate Access Route
All cases
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