Bip39 React Storing entropy (including retaining a deck of playing cards in a selected shuffled order) is unreliable as compared to storing a mnemonic. Instead of storing entropy, retail store the mnemonic created from your entropy. Steganography may be beneficial when storing the mnemonic. You can see the complete resource https://bookmarkport.com/story20773668/seed-phrase-generator-mnemonic-bip39-an-overview