Bip39 Mnemonic Code Storing entropy (including retaining a deck of cards in a selected shuffled get) is unreliable as compared to storing a mnemonic. Instead of storing entropy, retail store the mnemonic produced with the entropy. Steganography could be effective when storing the mnemonic. Shop it in a protected site: https://socialfactories.com/story4068257/ethereum-seed-phrase-generator-the-fact-about-bip39-phrase-that-no-one-is-suggesting