Foundation raised $6.4 million in a funding round led by Fulgur Ventures, with participation from Arche Capital, to accelerate its expansion beyond Bitcoin hardware wallets. The amount brings the company’s total raised to $16.5 million since its founding, although the round’s structure and post-money valuation were not disclosed.
Alongside the funding announcement, Foundation introduced the general availability of Passport Prime, its flagship device that combines a Bitcoin hardware wallet, FIDO security keys, 2FA storage, a password vault and 50 GB of encrypted storage.
We built Passport Prime for the world we think is coming next.
Tomorrow is another step in that direction.
Big day. Notifications turned on👀 pic.twitter.com/IyTIz2HPrT
— FOUNDATION (@FOUNDATIONdvcs) May 20, 2026
The device began shipping to customers with pre-orders in March and is now open to all buyers. Foundation defines it as the first in its category of “Human Authority Hardware“: American-made security hardware designed to require explicit human approval for every sensitive action.
The company also expanded access to its KeyOS developer platform, whose SDK allows building security applications on top of Passport Prime. Cake Wallet was announced as the first external team developing on the platform, with new integrations planned throughout 2026 in areas ranging from Bitcoin and identity to AI agent authorization. Foundation plans to launch a KeyOS app store before the end of the second quarter of the year.
Source: https://x.com/FOUNDATIONdvcs/status/2057155314743460028
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