Part of the CustodyStress archive of observed Bitcoin custody incidents
Device Discarded — Blocked
Cases where a discarded device resulted in permanently blocked access. Without the seed phrase, device disposal is terminal — no recovery path exists.
22 cases in this intersection. 100% of determinate cases resulted in a blocked outcome. The most common recovery path is no path available.
Archive analysis — 22 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
86% of cases involved software wallet, followed by hardware wallet (single key) at 14%.
Primary stress condition
73% of cases involve device loss. Seed phrase unavailable accounts for a further 18%.
Documentation
50% of cases had present and interpretable documentation — yet still produced a blocked or constrained outcome.
Scale
45% of cases involved large or very large holdings (10+ BTC).
Time distribution
Cases span 2009–2024. Only 5% occurred in 2022 or later — concentrated in earlier periods.
22
Blocked
0
Constrained
0
Survived
0
Indeterminate
100% of determinate cases resulted in blocked or constrained access.
22 observed cases
Blocked
22 (100%)
100 Bitcoin Lost on Unbackedup USB Flash Drive: Early Adopter Custody Failure
Software wallet
A BitcoinTalk forum user known as 'oktana' disclosed in March 2024 the loss of 100 bitcoins stored on a USB flash drive. The coins were acquired during Bitcoin'
29 BTC Lost in Corrupted MultiBit Classic Wallet After Hard Drive Format
Software wallet
In 2014, JAMBO2014 acquired Bitcoin and stored it in MultiBit Classic 0.5.17, a desktop software wallet, without separately recording or backing up the private
Corrupted 2011 Bitcoin Mining Wallet: File Recovery Attempted but Balance Unverifiable
Software wallet
In September 2018, a Bitcoin forum user discovered an old wallet.dat file originating from 2011 Bitcoin mining activity on his original hard drive. After a frie
1,000+ BTC Permanently Lost: Multiple Hard Drive Formats Destroyed Wallet Data
Software wallet
In 2009, a teenager claiming to be an early Bitcoin adopter received over 1,000 BTC allegedly directly from Satoshi Nakamoto. The user stored the wallet on a de
James Howell Bitcoin Hard Drive: Decade-Long Landfill Recovery Attempt Denied
Software wallet
James Howell, a Bitcoin holder from the 2014–2015 era when Bitcoin traded below $1,000, discarded a hard drive containing his private keys while cleaning his of
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
1,000 BTC Permanently Lost After Brother Deletes wallet.dat From Shared Dropbox Folder
Software wallet
In 2017, Hacker News user illumin8 disclosed a permanent loss of 1,000 BTC resulting from a wallet file deletion in a shared Dropbox folder. The Bitcoin wallet
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
Bitcoin-Qt Wallet Loss: Executable Backup Without Private Key File (2013)
Software wallet
TheD1ceMan, a forum user, experienced an irrecoverable loss of approximately 1.8 BTC (valued at $2,300–$2,700 USD at May 2013 market prices) due to a critical m
James Howells and the Landfill Bitcoin: Device Lost, Recovery Legally Blocked
Software wallet
James Howells, a UK resident, discarded a hard drive containing an encrypted Bitcoin wallet during a routine office clearance in 2013. The device was disposed o
Australian Miner Loses Early Bitcoin When Sole USB Backup Drive Fails Irrecoverably
Software wallet
Alex, an Australian Bitcoin miner based in Melbourne, mined Bitcoin around 2010 when mining was still a hobbyist activity with negligible monetary value. Unlike
Maxime: Hard Drive Corruption Destroyed Only Copy of Seed Phrase
Software wallet
Maxime, a Canadian journalist, began mining Bitcoin during the 2012–2013 period when the technology represented an emerging alternative financial system. He suc
Device discarded — software wallet (2011)
Software wallet
In 2011, when Bitcoin mining was still largely a hobbyist pursuit, the user identified as 'bubbabojangles' mined 103 BTC using standard desktop equipment. At th
10,000 Bitcoin Lost When Laptop Discarded as Junk (2010)
Software wallet
In March or April 2010, while a final-year student at St. John's University in New York, an individual purchased 10,000 BTC from a local seller for approximatel
1,000 BTC Lost to Repeated Hard Drive Formatting: Self-Custody Without Backup
Software wallet
In January 2017, a BitcoinTalk forum user identified as myBitcoin2009 posted a recovery request describing a custody loss rooted in the earliest era of Bitcoin
James Howells' 7,500 Bitcoin: Hard Drive Lost in Newport Landfill
Software wallet
James Howells, a software engineer in Newport, South Wales, accidentally discarded a hard drive containing approximately 7,500 to 8,000 Bitcoin in the early 201
100 Bitcoin Lost on Discarded Flash Drive: Permanent Access Failure
Software wallet
During Bitcoin's early adoption phase, when the asset had negligible market value and was treated primarily as an experimental hobby, the original poster create
100 Bitcoin Lost to Discarded Flash Drive Without Backup
Software wallet
An early Bitcoin adopter stored approximately 100 bitcoins on a flash drive during Bitcoin's formative years, likely before 2013, when the asset carried minimal
The Hard Drive in the Landfill: $80 Million in Inaccessible Bitcoin
Hardware wallet (single key)
In the early years of Bitcoin adoption, a miner accumulated a substantial holding on a single hard drive. At the time of disposal, the device contained Bitcoin
Android Bitcoin Wallet Destroyed in Factory Reset: 0.5 BTC Unrecovered
Software wallet
A Bitcoin holder maintained approximately 0.5 BTC using the Bitcoin Wallet application by Andreas Schildbach on a Samsung Galaxy Note 2 running Android. The hol
James Howells: 7,500 Bitcoin Lost to Landfill Disposal Without Backup
Software wallet
James Howells stored the private keys to 7,500 Bitcoin on a standard 2.5-inch laptop hard drive, which he placed in a drawer. After several years, the drive was
UK Court Blocks Landfill Excavation for Lost Bitcoin Hard Drive
Hardware wallet (single key)
A Bitcoin holder in the United Kingdom accidentally discarded a hard drive containing an unknown quantity of Bitcoin among household waste. The device was trans
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