The SteelQR C12 can secure your 12 word seed as a COMPACT QR-code on 3mm strong 316L Stainless Steel.
The STEELQR is a storage solution made of military grade V4A stainless steel designed as a free and open source hardware product under the GPLv3 licence. Its purpose is to secure your 12 word bitcoin backup words (mnemonic seed phrase). Your seed can be encoded as a QR-code using a SEEDSIGNER signing divice and stamped on the STEELQR with a automatic or manual center punch.
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