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Hardware wallets: Open-source firmware + air-gapped signing
12 models from 8 brands, 2020–2025 — every model in the catalog with these features, best scores first.
Open-source firmwareAir-gapped signing
Models12
Brands8
Newest2025
Median score8.5
Sorted by score
Hardware wallets: Open-source firmware + air-gapped signing — best rated
12
1 
9.4
2 
9.4
3 
Foundation · 2025
Passport PrimeSecure Element chipAir-gapped signingOpen-source firmwareBluetooth, QR code, microSD
9.3
4 
9.2
5 
Foundation · 2022
Passport CoreSecure Element chipAir-gapped signingOpen-source firmwareQR code, microSD
8.9
8 
Specter · 2020
Shield LiteSecure Element chipAir-gapped signingOpen-source firmwareUSB, QR code, microSD
8.2
11 
5.0
Brands in this collection
Specter3Blockstream2Foundation2OneKey1Keystone1Krux1Keycard1SeedSigner1
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