Wallet directory
Best for: DIY, verify-everything cold storage
DIY, stateless signing device you build from ~$50 of off-the-shelf parts. Fully open-source; keys never touch persistent storage.
SeedSigner is a DIY, stateless signing device you build yourself from about fifty dollars of off-the-shelf parts, with fully open-source software. Keys never touch persistent storage — the device forgets everything when powered off.
It is aimed at people who want to verify and even assemble their own cold-storage hardware, often as part of a multisig setup. It asks more of you than a plug-and-play device, but for the verify-everything, trust-nothing mindset that is exactly the appeal.
Facts describe the core product and can change — always verify on the official site before moving significant sats. Got it set up? Find places that take Bitcoin near you or check your country's Bitcoin tax rules.