SeedSigner
Open-source air-gapped DIY Bitcoin key signer with multisig support.
Why We Recommend SeedSigner
100% open-source. No pre-built hardware to trust. Community-driven project. Stateless design (no secrets stored).
Best For
Ideal for Bitcoin users who prioritize self-custody and strong security without relying on commercial hardware wallets. It is especially suitable for technically inclined individuals or those wanting a customizable multisig setup with complete control over private keys in an air-gapped environment.
Services & Features
- Air-gapped QR signing
- Stateless operation
- Dice roll entropy
- SeedQR format
- Multisig support
Considerations
Requires building yourself. No customer support. Technical knowledge needed.
