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The timeline
LenderNovember 2022The Great Unwind

BlockFi

Lending exposure to a failed fund and to FTX, compounded when a rescue facility from FTX defaulted as FTX itself collapsed.

By Steve L, Editorial Lead·Reviewed by Proof of Custody Editorial
Published Aug 3, 2026
Reported loss
Hundreds of millions

What it should change

Counterparty exposure is invisible in any asset-side disclosure. What a platform holds tells you nothing about what it is owed by parties who cannot pay.

Which setups this class of failure could reach

These are the custody configurations structurally exposed to this kind of event. It describes the failure class, not any individual holder.

Bitcoin lent or earning yield

Whether your own arrangement sits in one of those groups is the question our Custody Independence Standard is designed to answer, and the four questions in Is your custody setup actually safe? walk through it.

Sources

Chapter 11 filings

Figures are as reported by the named sources. Proof of Custody has not independently reproduced the underlying analysis.

← Earlier
FTX
November 2022
Later →
Luke Dashjr
January 2023
How to cite
Proof of Custody, "BlockFi" incident record, proofofcustody.io/incidents/blockfi-2022
Frequently asked questions
What happened to BlockFi?+

Lending exposure to a failed fund and to FTX, compounded when a rescue facility from FTX defaulted as FTX itself collapsed. Reported loss: Hundreds of millions.

What should BlockFi change about how I hold bitcoin?+

Counterparty exposure is invisible in any asset-side disclosure. What a platform holds tells you nothing about what it is owed by parties who cannot pay.

Which custody setups were exposed to the BlockFi failure?+

This class of failure could reach: bitcoin lent or earning yield. It describes the failure class rather than any individual holder.

See the full timelineAssess your own setup