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  3. Hardware wallets: Open-source firmware + NFC
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Hardware wallets: Open-source firmware + NFC

7 models from 5 brands, 2019–2026 — every model in the catalog with these features, best scores first.

Open-source firmwareNFC
Open in catalog
Models7
Brands5
Newest2026
Median score5.0
Sorted by score

Hardware wallets: Open-source firmware + NFC — best rated

7
1 OneKey Pro 2
OneKey
Pro 2
Secure Element chipOpen-source firmwareUSB-C, Bluetooth, NFC, QR
9.6
2 Satochip Card
Satochip · 2019
Card
Secure Element chipOpen-source firmwareUSB, NFC
9.4
3 Satochip DIY Card
Satochip · 2023
DIY Card
Secure Element chipOpen-source firmwareUSB, NFC
8.8
4 Keycard Shell
Keycard · 2025
Shell
Secure Element chipAir-gapped signingOpen-source firmwareUSB-C, NFC, QR code
5.0
5 Block Bitkey (2026)
Block · 2026
Bitkey (2026)
Open-source firmwareNFC
4.8
6 Block Bitkey
Block · 2024
Bitkey
Open-source firmwareNFC
4.3
7 TwentyTwo Portal
TwentyTwo · 2024
Portal
Open-source firmwareNFC
3.8

Brands in this collection

Satochip2Block2OneKey1Keycard1TwentyTwo1

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