Bitcoin hardware wallet maker Foundation has raised $6.4 million in a funding round led by Fulgur Ventures, with participation from Arche Capital. This investment aims to support the company's expansion into identity verification, multi-factor authentication, and AI agent authorization. With this latest funding, Foundation's total capital raised has reached $16.5 million. In conjunction with the funding announcement, Foundation has launched its flagship device, Passport Prime, for commercial use. The device offers a comprehensive suite of features, including a Bitcoin hardware wallet, FIDO security key, 2FA storage, a confidential vault, and 50 GB of encrypted storage. Additionally, Foundation has made its KeyOS platform SDK available to developers, enhancing its ecosystem's accessibility and functionality.