Bip39 Seed To Private Key Storing entropy (for example retaining a deck of cards in a selected shuffled buy) is unreliable when compared to storing a mnemonic. Rather than storing entropy, shop the mnemonic created from your entropy. Steganography may very well be helpful when storing the mnemonic. This technique https://socialicus.com/story3934873/bip39-phrase-generator-indicators-on-bip39-phrase-you-should-know