CustodyStress
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Part of the CustodyStress archive of observed Bitcoin custody incidents
Device_discardedBlocked

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
Blocked 2024
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
Blocked 2020
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
Blocked 2018
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
Blocked 2016
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
Blocked 2015
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)
Blocked 2014
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
Blocked 2013
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
Blocked 2013
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
Blocked 2013
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
Blocked 2013
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
Blocked 2013
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
Blocked 2013
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
Blocked 2011
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
Blocked 2010
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
Blocked 2009
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
Blocked
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
Blocked
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
Blocked
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)
Blocked
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
Blocked
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
Blocked
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)
Blocked
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
Browse by trigger and outcome
Terms guide
Survived
Access remained possible under the reported conditions.
Constrained
Access remained possible, but only with delay, dependence, or significant difficulty.
Blocked
Access was not possible under the reported conditions.
Indeterminate
There was not enough information to determine the outcome.
Survivability
The degree to which a custody system maintains the possibility of authorized recovery under stress.
Archive inclusion criteria

This archive documents cases where a legitimate owner, heir, or authorized party encountered barriers accessing or recovering Bitcoin due to a failure in the custody arrangement. The central question for inclusion is: did the custody structure fail a legitimate access or recovery attempt?

A case must satisfy all three of the following to be included:

  1. Legitimate access attempt. The person attempting to access or recover the Bitcoin was the owner, a designated heir, an executor, a legal authority, or another party with a legitimate claim — not a thief, attacker, or unauthorized third party.
  2. Custody structure failure. The failure was caused by a property of the custody arrangement — missing credentials, structural dependencies, documentation gaps, knowledge concentration, legal barriers, or institutional constraints — not market conditions, individual-level fraud or theft, or protocol-level issues. Platform-level failures that block legitimate user access are in scope regardless of their cause.
  3. Documentable outcome or access constraint. The case must have a stated or inferable outcome: access blocked, access constrained, access delayed, or access eventually achieved through a recovery path. Cases with entirely unknown outcomes are included only where the structural failure is documented and the constraint is unambiguous.
  • Owner death or incapacity — Bitcoin held in self-custody that becomes inaccessible to heirs or designated parties because credentials, documentation, or operational knowledge were not transferred
  • Passphrase loss — BIP39 passphrase forgotten or unavailable, blocking access to a funded wallet even where the seed phrase is present
  • Seed phrase or wallet backup unavailable — no independent recovery path existed or the backup was destroyed, lost, or never created
  • Device loss without independent backup — hardware wallet, phone, or computer lost or destroyed with no recovery path outside the device
  • Documentation absent or ambiguous — heirs or executors cannot determine that Bitcoin exists, which wallet holds it, or how to access it
  • Knowledge concentration — only one person knew the procedure, passphrase, or access method; that person is dead, incapacitated, or unreachable
  • Multisig quorum failure — a threshold signature arrangement cannot be completed because signers are unavailable, uncooperative, incapacitated, or have lost their keys
  • Legal authority / access mismatch — a court order, probate ruling, or power of attorney establishes legal entitlement but provides no technical path to access
  • Institutional custody barrier — exchange or platform hacks, insolvency, regulatory seizure, or operational failure that caused a access constraint or failure for legitimate users, whether temporary, prolonged, or permanent. The failure of the custodian to remain available or solvent is itself the in-scope event.
  • Forced relocation or geographic constraint — physical access to a device or location required for recovery is blocked by displacement, border restrictions, or political circumstances
  • Coercion — the holder was compelled under threat to transfer Bitcoin or disclose credentials during an access event
  • Hidden asset discovery — heirs or executors locate a wallet or account but cannot access it due to missing credentials or operational knowledge
  • Market losses, investment losses, yield scheme losses, or Ponzi scheme losses
  • Hacks or theft targeting an individual's personal security (phishing, SIM swap, social engineering, malware) where the custody architecture itself did not fail
  • Unauthorized transfers where the holder's custody system was not the cause of the failure
  • Ordinary transaction mistakes — wrong-address sends, fee errors, mistaken amounts
  • Protocol-level failures — cryptographic vulnerabilities, consensus bugs, firmware integrity failures
  • Deliberate burns or tribute burns
  • Cases where the stated loss is unverifiable and no structural custody failure is described

Cases are drawn from public sources including forum posts, news reporting, court documents, academic research, and direct submissions. Each case is reviewed against the inclusion criteria above before publication. Source material is retained and available on request for documented cases.

The archive is observational and descriptive. It does not attempt to document all Bitcoin custody failures — only those meeting the criteria above with sufficient documentation to describe the structural failure and its outcome.

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