Seed phrase unavailable — software wallet 2015

Blocked

Case description

A user who had backed up their Mycelium wallet seed as a photo on their phone lost all photos when their cloud backup was inadvertently deleted during an OS migration. The physical seed note had been discarded after photographing it. The digital backup was the only copy.

Custody context

Stress condition	Seed phrase unavailable
Custody system	Mobile or software wallet
Outcome	Blocked
Documentation	Unknown
Year observed	2015
Country	Unknown

Structural dependencies observed

Hardware device requiredThird-party platform dependency

What this illustrates

The wallet existed only on that device. When the device became inaccessible, there was no other way back in. Access was not recoverable.

Outcome interpretation

Access was not possible under the reported conditions.

Source

Publicly Reported

Evidence type

Forum post

Evidence link

https://bitcointalk.org/index.php?topic=22697.0

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.