Bip39 Mnemonic. Entropy values need to be sourced from a powerful source of randomness. What this means is flipping a fair coin, rolling a fair dice, sound measurements and so forth. Will not use phrases from publications, lyrics from songs, your birthday or steet address, keyboard mashing, or anything at https://directoryio.com/listings798502/bip39-standard-https-linktr-ee-bip39-bip39-words-an-overview