Part of the CustodyStress archive of observed Bitcoin custody incidents
Device Discarded — Software wallet
Cases where a mobile or desktop wallet device was discarded without securing the keys. Most cases involve computers or phones disposed of during hardware upgrades.
62 cases in this intersection. 79% of determinate cases resulted in a blocked outcome and 21% in access survived. The most common recovery path is no path available.
19
Blocked
0
Constrained
5
Survived
38
Indeterminate
79% of determinate cases resulted in blocked or constrained access.
62 observed cases
Blocked
19 (31%)
Survived
5 (8%)
Indeterminate
38 (61%)
Early Miner Loses 50 BTC: Private Key Gone, Wallet.dat Scattered Across Backup Media
Software wallet
In August 2017, a Bitcoin user (username lozzauk) posted on BitcoinTalk describing loss of access to a wallet containing approximately 50 BTC plus additional al
Early Bitcoin Client Wallet Partially Overwritten: File Recovery and Data Loss Analysis
Software wallet
In January 2010, furyo87 ran the Bitcoin client on a Windows machine for several days while experiencing stability issues. The user was uncertain whether any BT
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
Deleted 2009-2010 Bitcoin Mining Wallet: Disk Overwrite and Recovery Failure
Software wallet
In December 2017, a BitcoinTalk user identified as idelcoins posted a detailed account of attempting to recover Bitcoin wallet files from hard disks containing
2009 Bitcoin Purchase Lost to Paper Backup Destruction and Device Absence
Software wallet
Plinxer, a BitcoinTalk user, posted in May 2023 describing a Bitcoin purchase made in 2009 for approximately £50 (then ~$60–65 USD). The transaction occurred vi
2009 Bitcoin Mining Wallet Recovery: Fragmented wallet.dat on Deleted Drive
Software wallet
TheMadGenius07 downloaded and briefly mined Bitcoin on a high-performance gaming rig in summer 2009, then uninstalled the Bitcoin application when mining activi
1000 BTC from 2009 Mining: Wallet Recovery After Hard Drive Reformat
Software wallet
The original poster ('unluckysoul') described losing access to approximately 1000 BTC generated during the earliest Bitcoin mining period using Bitcoin-Qt, the
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
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
Browse by trigger and custody type
Forgotten Passphrase — Software wallet
Institutional Failure — Exchange custody
File Deleted — No Backup — Software wallet
Seed Never Recorded — Software wallet
Device Loss Without Backup — Software wallet
Physical Coercion — Software wallet
Passphrase Never Recorded — Software wallet
Physical Coercion — Hardware wallet (single key)
Forgotten Passphrase — Exchange custody
Device Loss — Software wallet
Exchange KYC / Account Lockout — Exchange custody
Exchange Collapse — Exchange custody
Seed Never Recorded — Hardware wallet (single key)
Owner Death — Software wallet
All cases
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