We develop and offer Bitcoin self-cusody security solutions.
Next to high quality Bitcoin seed backup options (SteelQR & SeedMint) we also offer the Bitcoin signing device SeedSigner, built by the Free Open Source Software project SeedSigner.
All out security products are proudly MADE IN GERMANY.
Bitcoin only | worldwide shipping | English & German support
PERSONAL RESPONSIBILITY | ONE SEED AT A TIME
Bitcoin Only
