1Ledger · 2019Nano X6.9≈ €65 Weight 34 g vs 35 g Thickness 11.8 mm vs 10 mm Compare with Kelvin WalletCompare
2D'CENT · 2020Biometric Wallet4.4≈ €75 Thickness 3 mm vs 10 mm Weight 36 g vs 35 g Compare with Kelvin WalletCompare
5Specter · 2019STM32F769DISCO DIY Hardware WalletSource code available Thickness 2.8 mm vs 10 mm Weight 40 g vs 35 g Compare with Kelvin WalletCompare
6Trezor · 2025Safe 79.2≈ €230 Open-source firmware Source code available Thickness 8.3 mm vs 10 mm Weight 45 g vs 35 g Compare with Kelvin WalletCompare
7Ledger · 2024Stax7.3≈ €370 Thickness 6 mm vs 10 mm Weight 45 g vs 35 g Compare with Kelvin WalletCompare