Bip39 Standard. Entropy values needs to be sourced from a powerful supply of randomness. This suggests flipping a fair coin, rolling a good dice, noise measurements and so forth. Do NOT use phrases from guides, lyrics from songs, your birthday or steet tackle, keyboard mashing, or nearly anything you think https://thedeepdirectory.com/listings13125632/bip39-passphrase-generator-https-linktr-ee-bip39-bip39-passphrase-generator-fundamentals-explained