A week on, nearly 90% of the stolen coins remain unmoved onchain, confirmed attacker addresses have been shared with U.S. federal law enforcement and Toronto-based Coinkite has patched every affected device line. A volunteer team funded by OpenSats scanned more than 150 open-source repositories and found no evidence the problem extended beyond Coldcard.
The exploit led some in the industry to question the value of self-custody, suggesting investors should consider buying bitcoin through, for example, exchange-traded funds rather than holding it themselves.
Klippsten, however, said clients are not retreating from self-custody. Instead, they’re examining ways of making their bitcoin harder to access.
“People are moving into Swan Vault right now,” he said, referring to the firm’s collaborative multisig product, where no single device can put a user’s funds at risk. “Instead of abandoning self-custody, many are upgrading it.”
His verdict on the week is measured optimism.
“It is awful that people lost coins, and they did everything right according to what a lot of well-known people in the industry told them. But Bitcoin is antifragile and the tools are getting stronger by the hour. This might end up being the best thing that ever happened to self-custody.”
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