Bip39 Github. Entropy values needs to be sourced from a solid supply of randomness. This means flipping a good coin, rolling a good dice, noise measurements etcetera. Don't use phrases from textbooks, lyrics from music, your birthday or steet deal with, keyboard mashing, or nearly anything you believe is random, https://mynichedirectory.com/listings13066857/bip39-seed-generator-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-words