Bip39-Master Storing entropy (for instance preserving a deck of playing cards in a specific shuffled purchase) is unreliable when compared with storing a mnemonic. Rather than storing entropy, keep the mnemonic created in the entropy. Steganography can be beneficial when storing the mnemonic. Retail store it in the secure locale: https://icelisting.com/story19767044/bip39-word-checker-the-smart-trick-of-bip39-phrase-that-no-one-is-discussing