Bip39-Standalone. Entropy values must be sourced from a robust source of randomness. This suggests flipping a fair coin, rolling a fair dice, noise measurements etcetera. Tend not to use phrases from publications, lyrics from songs, your birthday or steet handle, keyboard mashing, or anything you think that is random, because https://viewsdirectory.com/listings13099447/bip39-ian-coleman-https-linktr-ee-bip39-bip39-passphrase-generator-fundamentals-explained