The SteelQR C12 can secure your 12 word seed as a compact QR-code on 3mm thick 316L stainless steel.
The SteelQR is a storage solution made of military grade 316L stainless steel designed as a Free and Open Source Hardware product under the GPLv3 license. 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 device and stamped on the SteelQR with an automatic or manual center punch.
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