Bip39 Passphrase. Entropy values must be sourced from a powerful source of randomness. This means flipping a good coin, rolling a good dice, noise measurements etc. Don't use phrases from textbooks, lyrics from music, your birthday or steet tackle, keyboard mashing, or something you think that is random, simply because https://worlds-directory.com/listings13368270/bip39-word-list-pdf-https-linktr-ee-bip39-5-simple-techniques-for-bip39-wallet