Foundation Passport

Open-source Foundation hardware device for Bitcoin self-custody and airgapped signing.

Product facts

Awaiting sources for: custody, platforms, lightning, availability.

Facts verified: Not yet verified

No evidence linked.

Use cases

Networks

Layers Bitcoin L1

Settle order · L1 → Lightning → Sidechains → Rollups → Meta → Off-chain

Listing updated Sep 12, 2026

Status live

Repository GitHub linked

No long-form write-up yet. Contribute an update

Same job · Wallets

Native iOS Cashu wallet for sending bearer ecash and paying Lightning invoices.

Cashu · Lightning Network · Wallets

Browser Fedimint wallet for holding community ecash and paying over Lightning.

Fedimint · Lightning Network · Wallets

Browser Cashu wallet for multimint ecash, Lightning, and Nostr token sends.

Cashu · Lightning Network · Wallets

Custodial USSD and SMS Bitcoin wallet for sending and receiving sats to a phone number.

Lightning Network · Bitcoin L1 · Payments/Commerce · Wallets

Fedimint-powered wallet for holding community ecash and paying over Lightning.

Fedimint · Lightning Network · Bitcoin L1 · Wallets