SteelQR – C12

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 316L 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 an automatic or manual center punch.