DIY air-gapped Bitcoin hardware wallet built on Raspberry Pi Zero. No firmware secrets, no vendor lock-in.
~$50 DIY parts · open-source · stateless
Wallets
Carteras para Monero y monedas afines. La autocustodia es la línea base: tú controlas la seed. Evaluamos por móvil/escritorio, Tor incorporado, build reproducible, UX de subdirecciones y otras dimensiones.
última revisión: 2026-05-13
› Wallets » Hardware 3Air-gapped BTC hardware wallet. Camera-only QR signing, US-manufactured, open-source firmware.
$199 hardware · open firmware · QR-only signing
●
Coldcard
Bitcoin-only hardware wallet by Coinkite. Air-gapped via PSBT-on-SD. Reference signer for Bitcoin maxis.
$120 hardware · Bitcoin-only · PSBT-via-SD
Your wallet here? → sponsor a wallets slot · or DM the bot. Editorial firewall: grade never moves.