Wallet directory
SeedSigner
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.
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Blockstream Jade
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BlueWallet
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Quick answers
- Is SeedSigner custodial or self-custody?
- SeedSigner is self-custodial — you hold the keys, and no company can freeze or move your bitcoin.
- Does SeedSigner require KYC?
- No — SeedSigner requires no identity verification to use.
- Does SeedSigner support Lightning?
- No — SeedSigner is on-chain only.
- Is SeedSigner open source?
- Yes — SeedSigner's client source code is published for review.
- What platforms does SeedSigner run on?
- SeedSigner runs on Hardware.
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.