Passphrase unavailable — software wallet (2021)

Blocked

Case description

The widely-reported case of Stefan Thomas, a Bitcoin developer with 7,002 BTC on an IronKey encrypted drive, reached public attention in January 2021. Thomas confirmed he had two password attempts remaining before the drive's encryption would permanently destroy the contents. He had entered the password incorrectly eight times. Multiple security firms offered assistance but none successfully recovered the drive.

Custody context

Stress condition	Passphrase unavailable
Custody system	Mobile or software wallet
Outcome	Blocked
Documentation	Unknown
Year observed	2021
Country	United States

Structural dependencies observed

Single point of failure

What this illustrates

The seed phrase was there, but the passphrase that unlocked it was gone. Both are required. Access was not recoverable.

Outcome interpretation

Access was not possible under the reported conditions.

Source

Publicly Reported

Evidence type

News article

Evidence link

https://masterthecrypto.com/bitcoin-scams/

Related cases involving passphrase unavailable

217 cases involve passphrase unavailable 572 cases involve mobile or software wallet 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

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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.