Foundation has raised $6.4 million in a funding round led by Fulgur Ventures as it launches Passport Prime, a new hardware device designed to secure digital actions in an era of AI-driven automation.

The Boston-based company said the round included participation from Arche Capital and brings its total funding to $16.5 million, according to a note shared with Bitcoin Magazine. 

The capital will support expansion beyond Bitcoin self-custody into identity management, multi-factor authentication, and authorization systems for AI agents.

Passport Prime, which began shipping to pre-order customers in March 2026, is now available for general purchase. Foundation describes the product as the…

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