Inside Coinbase’s $250 Billion Playbook for Post-Quantum Bitcoin Custody
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Coinbase has started work on a post-quantum custody design for about $250 billion in institutional assets, with Yehuda Lindell saying it is meant to work with whichever signature scheme Bitcoin adopts. The plan is framed around a future where a cryptographically relevant quantum computer becomes a threat to Bitcoin security, while Coinbase also wants the same approach to fit other digital assets. [5259] [4338]
Key claims & sources
What it means
Institutional Coinbase customers are the group most directly tied to this plan, because the system is being built around custody for about $250 billion in assets. The practical effect today is that Coinbase is designing storage and signing support with a future Bitcoin signature change in mind, rather than for one fixed scheme.
Market reaction i
We only have 1 data point in that window. The series is stored every half hour, so newer events will have it. Computing it from two points would not be a reaction, it would be a coincidence.
Coverage timeline
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