1Foundation · 2022Passport Core8.940% cheaper ≈ €180 Open-source firmware Mobile app Animated QR (UR) Miniscript Screen size 1.8″ vs 2.3″ Compare with Coldcard QCompare
2Coinkite · 2026Coldcard Mk56.933% cheaper ≈ €200 Weight 30 g vs 93 gThickness 7.5 mm vs 22 mm QR code camera Screen size 1.54″ vs 2.3″ Compare with Coldcard QCompare
3Block · 2026Bitkey (2026)4.823% cheaper ≈ €230 Open-source firmware Touchscreen Mobile app Secure Element chip Reproducible builds Compare with Coldcard QCompare
4Coinkite · 2022Coldcard Mk46.347% cheaper ≈ €160 Weight 30 g vs 93 gThickness 7.5 mm vs 22 mm Screen size 0.8″ vs 2.3″QR code camera Compare with Coldcard QCompare