Bip39. Entropy values has to be sourced from a powerful source of randomness. What this means is flipping a fair coin, rolling a fair dice, sound measurements etcetera. Will not use phrases from books, lyrics from songs, your birthday or steet address, keyboard mashing, or anything you're thinking that is https://lovelydirectory.com/listings646177/bip39-word-list-pdf-https-linktr-ee-bip39-about-bip39