Bip39 Mnemonic Phrase Generator Storing entropy (including holding a deck of playing cards in a particular shuffled get) is unreliable in comparison to storing a mnemonic. As an alternative to storing entropy, keep the mnemonic generated in the entropy. Steganography may be helpful when storing the mnemonic. You may see https://getsocialsource.com/story4016736/bip39-mnemonic-code-the-definitive-guide-to-bip39-phrase