Rather than storing entropy, shop the mnemonic generated with the entropy. Steganography could possibly be advantageous when storing the mnemonic. The random mnemonic generator on this web page uses a cryptographically secure random number generator. The in-built random generator can typically be trustworthy over your own private intuition about randomness. https://bookmark-search.com/story18752017/invalid-bip39-phrase-things-to-know-before-you-buy