Bip39 Standard. Entropy values has to be sourced from a powerful source of randomness. This implies flipping a fair coin, rolling a fair dice, sounds measurements etcetera. Don't use phrases from textbooks, lyrics from music, your birthday or steet handle, keyboard mashing, or anything you think is random, for the https://directorywidzard.com/listings13072234/bip39-python-https-linktr-ee-bip39-facts-about-bip39-standard-revealed