The Coldcard hardware wallet exploit, which drained funds from more than 5,200 addresses starting July 30, has rattled the self-custody crowd and sent investors hunting for safer ground. Cantor’s read is that Coldcard users specifically may migrate toward managed custody services. Frequently Asked Questions What caused the Coldcard wallet exploit? Attackers exploited a firmware flaw in Coldcard hardware wallets, draining bitcoin from over 5,200 addresses and stealing funds valued at $114 million starting July 30. Investment bank Cantor named Robinhood Markets, Coinbase Global, BitGo Holdings, Bullish, eToro Group, and Gemini Space Station as potential beneficiaries of increased customer inflows from displaced Coldcard users.