Bip39 Vs Slip39. Entropy values has to be sourced from a powerful source of randomness. This means flipping a good coin, rolling a fair dice, sounds measurements etcetera. Don't use phrases from books, lyrics from tracks, your birthday or steet tackle, keyboard mashing, or just about anything you think that https://a-z-directory.com/listings13154630/bip39-npm-https-linktr-ee-bip39-bip39-mnemonic-things-to-know-before-you-buy