Compare providers
Side-by-side comparison for any two listings. Pick by provider id (e.g. mullvad, ivpn, feather). Updates live as curators re-grade.
| SeedSigner | Foundation Passport | |
|---|---|---|
| Category | wallets | wallets |
| Subcategory | Hardware | Hardware |
| Grade | A | A |
| Editor's Pick | — | — |
| Tagline | DIY air-gapped Bitcoin hardware wallet built on Raspberry Pi Zero. No firmware secrets, no vendor lock-in. | Air-gapped BTC hardware wallet. Camera-only QR signing, US-manufactured, open-source firmware. |
| Fees | ~$50 DIY parts · open-source · stateless | $199 hardware · open firmware · QR-only signing |
| KYC posture | anonymous_signup | light_kyc |
| Highlight tags | HARDWAREDIYOPEN-SOURCE | HARDWAREAIR-GAPOPEN-FIRMWARE |
| Feature tags | non_custodialopen_sourcemultisig_supportedauditedfull_node_capable | non_custodialopen_sourceaudited |
| Web | https://seedsigner.com | https://foundationdevices.com |
| Tor | — | — |
| Last verified | 2026-05-13 | 2026-05-13 |