The Best Bitcoin Hardware Wallets & Seed Phrase Backup Tools
A simple directory of the best Bitcoin signing devices, metal seed backup tools, and supporting wallet software — because your sats are best stored cold.
Specter DIY
Open-source DIY Bitcoin hardware wallet with touchscreen, QR scanner, and smartcard reader. Build your own to minimize supply chain risk.
Specter DIY is an open-source Bitcoin hardware wallet project that lets users assemble their own signing device from separately sourced components, minimizing supply chain trust. The device runs Specter open-source firmware and features a large touchscreen, QR code scanner for air-gapped PSBT signing, and a smartcard reader. By sourcing and assembling the hardware yourself, you can verify every component. Specter DIY is designed for technically confident Bitcoiners who want maximum transparency and trust minimization in their signing setup. Fully open source on GitHub and compatible with Specter Desktop and other PSBT-compatible wallet software.
