Seed phrase unavailable — software wallet 2018

Survives

Case description

A user stored their seed phrase in a safety deposit box in a bank branch that was subsequently closed by the bank in October 2018 as part of a branch consolidation programme. The contents were transferred to a regional hub. The user's seed envelope was delivered to the wrong customer during the transfer and had to be traced through the bank's logistics records.

Custody context

Stress condition	Seed phrase unavailable
Custody system	Mobile or software wallet
Outcome	Survives
Documentation	Unknown
Year observed	2018
Country	Unknown

Structural dependencies observed

Institutional cooperation required

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

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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.