Security & privacy

Specter DIY

Build an offline Bitcoin signing device with QR workflows.

Compare this service →Editorial profile
01 / What it does

What it does

Specter DIY publishes hardware and software for a Bitcoin signing device that communicates with a host wallet using QR codes. It is intended for users assembling and operating their own signer. Check the supported board, firmware verification and recovery steps before signing transactions.

Features & requirements

Custody
Self-custodySource · 8 Oct 2026 ↗
Pricing
Free software; network or service fees may applySoftware is free; compatible hardware and parts must be obtained separately.Source · 8 Oct 2026 ↗
Platforms
Hardware, Source codeSource · 8 Oct 2026 ↗
Bitcoin support
Native BitcoinSource · 8 Oct 2026 ↗
Sources & freshness

Sources & freshness

1Bitcoin editorial ↗Source refreshed · 8 Oct 2026

Editorial review · 8 Oct 2026

Imported records link to their sources. An entry is a discovery aid, not an endorsement.