Foundation raised $6.4 million in a Fulgur Ventures–led round to launch Passport Prime and expand from Bitcoin custody into AI-era identity, authentication, and agent authorization.

The firm also announced the general availability of its flagship Passport Prime device and expanded access to its KeyOS developer platform.

Foundation raised $6.4 million in a Fulgur Ventures–led round to launch Passport Prime and expand from Bitcoin custody into AI-era identity, authentication, and agent…

Foundation Devices raises $6.4M to expand from Bitcoin hardware wallets into AI agent authorization, building permission infrastructure for autonomous agents.