TAG / hardware

A Coldcard

Bitcoin-only hardware wallet by Coinkite. Air-gapped via PSBT-on-SD. Reference signer for Bitcoin ma

A Foundation Passport

Air-gapped BTC hardware wallet. Camera-only QR signing, US-manufactured, open-source firmware.

A SeedSigner

DIY air-gapped Bitcoin hardware wallet built on Raspberry Pi Zero. No firmware secrets, no vendor lo

A Trezor Suite

Desktop UI for Trezor devices. BTC native, XMR / multi-coin via plugins, runs on Tor by default.

B Ledger Nano

Hardware wallet for Monero — secret stays on the device.

B Trezor

Open-source-firmware hardware wallet with XMR support via Monero GUI + Feather. Grade B. Live incide

A Cryptosteel Capsule

Steel seed-phrase backup. Fire/water/EMP-resistant. One-time purchase.

A YubiKey 5

Hardware FIDO2 / U2F / PIV / OpenPGP token. Phishing-resistant 2FA across every account that support