Bip39-Standalone. Entropy values must be sourced from a strong supply of randomness. This means flipping a fair coin, rolling a fair dice, sounds measurements and many others. Do NOT use phrases from guides, lyrics from songs, your birthday or steet tackle, keyboard mashing, or everything you think that is random, https://topdirectory1.com/listings13113061/bip39-passphrase-https-linktr-ee-bip39-not-known-details-about-bip39-compatible-wallet