Bip39 Mnemonic. Entropy values need to be sourced from a strong supply of randomness. This implies flipping a good coin, rolling a good dice, sounds measurements etc. Usually do not use phrases from textbooks, lyrics from songs, your birthday or steet tackle, keyboard mashing, or nearly anything you're thinking that https://leedirectory.com/listings13024402/bip39-wallet-https-linktr-ee-bip39-bip39-options