Product record · SeedSigner
SeedSigner DIY Signing Device
DIY air-gapped stateless Bitcoin signing device built from publicly available components and SeedSigner open-source software.
- Launch
- —
- Sales
- not_applicable
- Support
- unknown
- Variants
- —
- Confidence
- high
- Last verified
- 2026-08-20
Material concerns
Custody and recovery assumptions
Active support, evidence verification, or product type is not a safety endorsement. Missing custody or recovery metadata is shown as unknown rather than inferred as self-custody.
- Custody model
- self_custody
- Key-management model
- stateless_air_gapped_user_generated_seed_and_qr_signing
- Independent recovery
- Unknown / requires evidence review
Lifecycle
Product timeline
SeedSigner 0.8.5 added initial multilingual support
Product: SeedSigner DIY Signing Device
SeedSigner released version 0.8.5 on 2026-02-04 with its initial localization and multilingual support, Spanish UI support, refreshed UX elements, and basic P2TR address verification, providing a distinct lifecycle milestone before the currently canonical 0.8.7 release.
SeedSigner 0.8.7 released
Product: SeedSigner DIY Signing Device
SeedSigner released version 0.8.7 with new features, translations, fixes, and contributions from a broad set of developers, providing direct evidence of ongoing software maintenance.
Sources