Foundation raises $6.4 million for AI agent authorization hardware

Foundation, a Boston-based hardware wallet manufacturer, has raised $6.4 million in new funding to expand its focus beyond Bitcoin security into identity management and authorization for artificial intelligence agents. The funding round was led by Fulgur Ventures, with participation from Arche Capital, bringing the company’s total funding to $16.5 million.

The capital raise coincides with the full commercial launch of Foundation’s new flagship device, Passport Prime. The company describes the product as the first in a new category of “Human Authority Hardware,” designed to require explicit human approval for sensitive digital actions. The device began shipping to pre-order customers in March and is now available for general purchase.

Passport Prime integrates several security functions into a single device, including a Bitcoin hardware wallet, FIDO security key functionality, two-factor authentication storage, a password vault, and 50 gigabytes of encrypted storage. The device is built around KeyOS, an open-source, Rust-based microkernel operating system developed by Foundation.

The company’s strategic shift addresses a growing security challenge posed by the rise of autonomous...