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Bitcoin-only wallets: Open-source firmware
8 models from 5 brands, 2021–2026 — every model in the catalog with these features, best scores first.
Open-source firmware
Models8
Brands5
Newest2026
Median score7.4
Sorted by score
Bitcoin-only wallets: Open-source firmware — best rated
8
1 
9.4
2 
Foundation · 2022
Passport CoreSecure Element chipAir-gapped signingOpen-source firmwareQR code, microSD
8.9
Brands in this collection
Blockstream3Block2Foundation1Frostsnap1TwentyTwo1
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