Part of the CustodyStress archive of observed Bitcoin custody incidents
Total Device and Home Loss
Archive cases where the primary access device was lost or destroyed with no off-site backup available. Cases in this category typically involve loss of the device as the sole access point.
77% of determinate cases in this category resulted in a blocked outcome.
36
Blocked
0
Constrained
11
Survived
60
Indeterminate
77% of determinate cases resulted in blocked or constrained access.
107 observed cases
Blocked
36 (34%)
Survived
11 (10%)
Indeterminate
60 (56%)
External Hard Drive Theft with Private Key Recovery Attempt
Software wallet
On May 26, 2024, a BitcoinTalk user (Niandertal@2024) reported the theft of an external hard drive containing a Bitcoin wallet file. The user had retained posse
Early Bitcoin Miner Seeks File Signature Recovery After Hard Drive Deletion
Software wallet
DVCMI776 mined a significant quantity of Bitcoin during the early Bitcoin era and stored the wallet files on a hard drive. The drive subsequently failed, initia
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'
Samsung Phone Mining Wallet: 0.7 BTC Inaccessible After Device Wipe
Software wallet
In February 2024, a BitcoinTalk user (onisuk20) rediscovered a Samsung phone containing Bitcoin holdings generated during the early mining period around August
Electrum Wallet Password Lost With Corrupted SSD Backup
Software wallet
On November 15, 2023, a BitcoinTalk user reported being unable to access an Electrum wallet after losing the 8–9 character password derived from a longer 15-cha
Recovering Lost Armory Wallet from Overwritten 2009-2010 Laptop Disk
Software wallet
In June 2023, a Bitcoin holder initiated a public recovery effort for an Armory wallet created in 2009–2010 on a personal laptop. The original device remained i
Corrupted wallet.dat Data Recovery Attempt: Multi-Tool Failure After Hard Drive Format
Software wallet
In November 2022, a Bitcoin holder discovered that a hard drive containing a wallet.dat file from approximately 2012–2014 had been formatted years earlier. Reco
Unencrypted 2010 Wallet.dat Corrupted Beyond Recovery
Software wallet
In March 2022, RBIT777 posted to a Bitcoin forum seeking help recovering a wallet created in 2010 on their hard drive. The wallet had never been encrypted—a com
Physical Hard Drive Damage and wallet.dat Recovery via File Forensics
Software wallet
In March 2021, a BitcoinTalk user (zzcool) reported that a hard drive containing Bitcoin wallet data had physically fallen and sustained read errors. The device
Bitcoin Core Wallet Destroyed in Fire: Passphrase and Address Insufficient for Recovery
Software wallet
In February 2021, a Bitcoin Core user reported catastrophic loss of their wallet following a house fire. The hard drive containing the wallet was physically des
2011 Bitcoin Wallet on Heavily Reused Hard Drive: Data Fragmentation and Loss
Software wallet
In June 2021, a BitcoinTalk forum user (ice-gram) reported discovering an old hard drive containing a wallet.dat file with Bitcoin purchased in 2011. The drive
Lost Ledger Nano Hardware Wallet: Recovery Blocked by Unknown Derivation Path
Hardware wallet (single key)
In June 2021, a BitcoinTalk user identified as so98nn reported losing their Ledger Nano hardware wallet while retaining both the seed phrase and passphrase need
Bitcoin-Qt Wallet Recovery: Encrypted Password, Formatted Hard Drive
Software wallet
In February 2021, a Bitcoin Stack Exchange user reported possessing an encrypted password and the associated address for a Bitcoin-Qt wallet created in 2011–201
Electrum wallet.dat File Corruption After Hard Drive Failure—2015 Case
Software wallet
In early 2015, a user installed an offline version of Electrum wallet by mistake and deposited Bitcoin into it. Approximately 3 days after receiving the funds,
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
Mobile Wallet Hardware Failure: No Seed Backup, Permanent Loss
Software wallet
Hippocrypto, a BitcoinTalk user, lost access to Bitcoin stored exclusively on a mobile software wallet after the smartphone suffered catastrophic internal hardw
Encrypted Wallet.dat Recovery After Quick Format: Hex Extraction Versus File Recovery
Software wallet
In November 2020, a user ('fajja') on BitcoinTalk discovered old hard disks that had been quick-formatted years earlier, containing Bitcoin Core wallet.dat file
Lost Copay Phone With Recovery Seed: Device Access Gone, Funds Technically Recoverable
Software wallet
In February 2026, a BitcoinTalk user posted on behalf of a Bitcoin holder who had lost physical access to an iPhone or Android device containing a Copay wallet
0.19 BTC Recovery Attempt After Bitcoin Core Crash and Wallet.dat Restoration
Software wallet
In August 2019, owenzane posted to the Bitcoin Technical Support forum seeking help recovering 0.19 BTC from a wallet he had created and backed up approximately
Deleted Bitcoin Core Wallet Without Backup: Device Loss and File Recovery Attempt
Software wallet
SheriffBass purchased Bitcoin between 2009 and 2010 and stored it using Bitcoin Core, the reference implementation wallet that stores private keys in a wallet.d
Wallet.dat Corruption: BerkeleyDB Environment LSN Mismatch After File Migration
Software wallet
A user attempted to restore an old wallet.dat file by placing it in their .bitcoin directory and running bitcoind. The wallet file itself appeared structurally
Computer Crash with wallet.dat Backup: Bitcoin Core Recovery Without Private Key Export
Software wallet
In February 2018, a Bitcoin Core user experienced a total computer crash requiring complete system reinstallation. The user had previously used an Armory wallet
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
Corrupted wallet.dat Recovery from 2009 Hard Drive: Hex Search Method
Software wallet
In January 2018, a BitcoinTalk user reported discovering a hard drive containing a wallet.dat file created during 2009 Bitcoin mining. The drive had suffered si
Electrum Wallet Lost to Laptop Hardware Failure: No Seed Phrase Backup
Software wallet
On October 12, 2018, a BitcoinTalk forum user identified as Chabole007 reported losing access to an Electrum software wallet after their laptop experienced hard
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