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Hardware wallets: Open-source firmware + built-in battery
14 models from 9 brands, 2020–2026 — every model in the catalog with these features, best scores first.
Open-source firmwareBuilt-in battery
Models14
Brands9
Newest2026
Median score8.9
Sorted by score
Hardware wallets: Open-source firmware + built-in battery — best rated
14
2 
9.4
3 
9.4
4 
Foundation · 2025
Passport PrimeSecure Element chipAir-gapped signingOpen-source firmwareBluetooth, QR code, microSD
9.3
6 
9.2
7 
Foundation · 2022
Passport CoreSecure Element chipAir-gapped signingOpen-source firmwareQR code, microSD
8.9
12 
5.0
Brands in this collection
OneKey3Blockstream2Foundation2Block2Trezor1Specter1Keystone1Krux1
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