Part of the CustodyStress archive of observed Bitcoin custody incidents
Legal Authority Required — Blocked
Cases where legal authority required dependency produced a blocked outcome.
33 cases in this intersection. 100% of determinate cases resulted in a blocked outcome. The most common recovery path is legal proceedings.
Archive analysis — 33 cases
Outcomes
100% of determinate cases resulted in blocked access — 31 percentage points above the archive-wide average of 69%. Only 0% resulted in recovered access — one of the lower survival rates in the archive.
Custody type
76% of cases involved exchange custody, followed by software wallet at 9%.
Primary stress condition
61% of cases involve vendor lockout. Legal or authority constraint accounts for a further 24%.
Recovery path
Legal Proceedings is the most documented recovery path (10 cases, 30% of subset). Of those with a determinate outcome, 0% resulted in recovered or constrained access.
Documentation
79% of cases had present and interpretable documentation — yet still produced a blocked or constrained outcome.
Scale
33% of cases involved large or very large holdings (10+ BTC).
33
Blocked
0
Constrained
0
Survived
0
Indeterminate
100% of determinate cases resulted in blocked or constrained access.
33 observed cases
Blocked
33 (100%)
Three Arrows Capital Collapse: $10B Fund, $3.5B Frozen Claims, Founder Flight
Institutional custody
Three Arrows Capital, founded in 2012 by Zhu Su and Kyle Davies, operated as a cryptocurrency investment fund managing approximately $10 billion in assets throu
Vietnamese Police Officers Charged in $1.6 Million Bitcoin Robbery
Software wallet
In May 2020, Le Duc Nguyen, a Bitcoin holder in Ho Chi Minh City, Vietnam, became the victim of a coordinated robbery by police officers. The officers seized ap
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
QuadrigaCX Exchange Collapse (April 2019): Mass Custody Loss
Exchange custody
QuadrigaCX, founded in 2013 and one of Canada's largest cryptocurrency exchanges, ceased operations on April 15, 2019, with approximately 115,000 users unable t
BitGrail Exchange Collapse: 17 Million NANO Stolen, 230,000 Users Frozen
Exchange custody
BitGrail, an Italian cryptocurrency exchange, announced on February 8, 2018 that approximately 17 million NANO tokens—valued at roughly $170 million at the time
QuadrigaCX Exchange Collapse: C$100,000 Withdrawal Never Processed
Exchange custody
Eric Z., a QuadrigaCX customer, deposited C$5,000 into the Canadian cryptocurrency exchange around 2014 and grew his position to approximately C$125,000 through
Xitong Zou: QuadrigaCX Creditor During Exchange Collapse and Fraud
Exchange custody
Xitong Zou was a customer of QuadrigaCX, a Canadian cryptocurrency exchange that collapsed in late 2018. Like thousands of other users, Zou had cryptocurrency h
Kleiman Estate v. Craig Wright: Bitcoin Access Blocked by Knowledge Concentration
Unknown custody system
David Kleiman, a computer forensics expert in Palm Beach County, Florida, died in April 2013. His brother Ira Kleiman later alleged that David and Craig Steven
Cointed GmbH Exchange Collapse: Austria, 2018 — Customer Funds Disappeared
Exchange custody
Cointed GmbH, founded in 2016 in Kufstein, Austria, operated as a regional cryptocurrency powerhouse: a custodial exchange, mining operation, and operator of on
Elvis Cavalic and QuadrigaCX: C$15,000 Withdrawal Lost to Exchange Collapse
Exchange custody
Elvis Cavalic of Calgary, Alberta was an active QuadrigaCX customer who had accumulated cryptocurrency holdings through trading on the platform. In October 2018
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
WEX.nz US Citizen Lockout: Recovered Funds Inaccessible Due to Geographic Verification Bar
Exchange custody
Following the July 2017 FBI seizure of BTC-e exchange assets, the platform's successor WEX.nz announced recovery of 55% of client Bitcoin holdings, with plans t
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
Deceased Bitcoin Miner: Funds Locked on Coinbase, Lost on SnapCard Closure
Exchange custody
A Bitcoin miner died intestate in 2016, leaving behind mining equipment and active cryptocurrency accounts on Coinbase and SnapCard, a now-defunct wallet servic
Vircurex Withdrawal Freeze: Timothy Shaw's 12.85 BTC Locked Since 2014
Exchange custody
Timothy Shaw, a Colorado resident, executed a trade on Vircurex on March 24, 2014, converting his entire dogecoin balance into 12.85 BTC. That same morning, Vir
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,
Otohs: 76 BTC Withdrawal Request Refused by Insolvent Cryptsy (October 2015)
Exchange custody
On October 5, 2015, a Reddit user identified as Otohs submitted a withdrawal request for 76 BTC from his verified Cryptsy account, which carried no withdrawal l
ThrillHou v. Cryptsy: Account Lockout, KYC Data Misuse, and Alleged Identity Compromise
Exchange custody
ThrillHou, a Cryptsy user, experienced repeated account lockouts beginning in 2015. When support staff operating under aliases BigJohn and John McPherson repeat
Vircurex Exchange Freezes Customer Bitcoin Indefinitely After 2013 Hacks
Exchange custody
Vircurex, an altcoin exchange operating during the early cryptocurrency era, halted all withdrawals in March 2014 after suffering two significant security breac
MtGox Withdrawal Halt and Bankruptcy: 400K Inheritance Permanently Blocked
Exchange custody
In 2014, the largest Bitcoin exchange at that time, MtGox, ceased Bitcoin withdrawals and subsequently filed for bankruptcy protection. A documented case emerge
Mt. Gox Exchange Collapse: Operator Theft and 650,000 Lost Customer Bitcoin
Exchange custody
Mt. Gox operated as the dominant Bitcoin-to-fiat exchange from 2010 to 2014, handling approximately 70% of global Bitcoin trading volume at its peak. The platfo
James Howell's Hard Drive: 8,000 Bitcoin Lost in Welsh Landfill
Hardware wallet (single key)
James Howell, a British-based individual, accidentally discarded a hard drive containing private keys to approximately 8,000 Bitcoin while cleaning his office a
James Howell's 8,000 Bitcoin Hard Drive: Landfill Loss Without Backup
Software wallet
James Howell, a computer professional based in Wales, accumulated approximately 8,000 Bitcoin during the early mining era through a combination of mining and ac
Cryptsy Exchange Collapse: Concealed Hack Left Users Holding Worthless Balances
Exchange custody
Cryptsy emerged as the dominant altcoin exchange during the 2013 cryptocurrency boom, facilitating trading in Litecoin, Dogecoin, Feathercoin, and hundreds of a
CoinLab vs. Mt. Gox: Partnership Collapse Traps North American Customer Bitcoin in Legal Limbo (May 2013)
Exchange custody
In 2012, Mt. Gox and CoinLab signed a partnership agreement under which CoinLab would assume management of Mt. Gox's US and Canadian customer operations, includ
Browse by dependency and outcome
Device-Dependent Access — Blocked
Passphrase Dependency — Blocked
Undocumented Recovery Procedure — Blocked
Single-Person Knowledge — Blocked
Device-Dependent Access — Survived
Undocumented Recovery Procedure — Survived
Single-Person Knowledge — Survived
Institutional Cooperation Required — Constrained
Institutional Cooperation Required — Blocked
Shared Service Dependency — Blocked
Passphrase Dependency — Survived
Shared Service Dependency — Constrained
Legal Authority Required — Constrained
Single-Person Knowledge — Constrained
Geographic Access Constraint — Blocked
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