The SteelQR – C12 is a premium Bitcoin seed phrase backup plate, engineered for long-term protection of your 12-word Bitcoin mnemonic seed. Crafted from 316L military-grade stainless steel and measuring 3mm thick, it offers unmatched durability, corrosion resistance, and resilience against fire, water, and physical damage.
Designed and manufactured by Vulcan21, the SteelQR – C12 is an open-source hardware device licensed under GPLv3. By converting your 12-word seed into a compact QR code, it allows for a secure and convenient backup that is both tamper-proof and portable.
Key Features:
- Precision-crafted from 316L military-grade stainless steel
- 3mm thickness for maximum durability and fire resistance
- Stores your 12-word Bitcoin mnemonic seed as a compact QR code
- Tamper-proof, waterproof, and corrosion-resistant
- Designed for SeedSigner compatibility
- Open-source hardware, licensed under GPLv3 by Vulcan21
- Portable and discreet, ideal for long-term cold storage
Unlike paper or digital backups, the SteelQR – C12 ensures your Bitcoin seed remains safe, durable, and recoverable for decades. Whether you’re a Bitcoin holder, sovereign individual, or self-custody advocate, this steel plate provides a bulletproof backup to safeguard your digital wealth.






Reviews
There are no reviews yet.