Seed phrase unavailable — hardware wallet 2018

Survives

Case description

A user who had memorised their 24-word seed and kept no written backup suffered a traumatic head injury in July 2018. Upon hospital discharge eight weeks later they could recall 20 of 24 words with confidence and three more with uncertainty. Professional recovery required extensive enumeration to find the missing word and confirm the uncertain ones.

Custody context

Stress condition	Seed phrase unavailable
Custody system	Hardware wallet (single key)
Outcome	Survives
Documentation	Unknown
Year observed	2018
Country	Unknown

Structural dependencies observed

Single point of failure

Outcome interpretation

Access remained possible under the reported conditions.

Source

Publicly Reported

Evidence type

Forum post

Evidence link

https://bitcointalk.org/index.php?topic=255793.0

Related cases involving seed phrase unavailable

146 cases involve seed phrase unavailable 274 cases involve hardware wallet (single key) View archive statistics →

This archive documents observed custody survivability failures. It does not attempt to document all Bitcoin losses or security incidents. Submit a case

← All cases

Framework references

Where Bitcoin Custody Intersects Legal and Fiduciary Authority

Where custody creates gaps in estate planning, fiduciary duty, and professional responsibility.

Professional Scope Boundary Matrix

What each professional or product covers, what they do not, and where gaps form between them.

The Independent Assessment Layer in Bitcoin Custody

How independent diagnostic layers emerge when multiple parties depend on shared infrastructure.