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Mallers advocates for multisig setups, noting that Strike secures customer funds using geographically distributed multisig. Requiring multiple signatures ensures that compromising a single key does not lead to a total loss of funds.
Strike experienced massive customer inflows in the immediate aftermath of the Coldcard bug disclosure. Mallers reports that users deposited roughly $250 million in Bitcoin onto the platform within a 36-hour window.
Strike protects its systems by running an agentic AI auditing pipeline daily. Mallers explains that multiple frontier AI models, including Kimmy K3, continuously attack the codebase to identify vulnerabilities.
Strike has launched beneficiary planning for Bitcoin inheritance, a feature addressing the need for users with significant collateral balances to designate an heir for their funds.
The initial plan for 21 did not include merging with Strike; investor pressure and market changes later pushed for consolidation of Jack Mallers' efforts into a single public equity.
Strike, under Jack Mallers' sole leadership, is now very profitable with over $250 million in Bitcoin on its balance sheet and fewer than 100 employees, growing as Bitcoin adoption expands.