Bip39 Passphrase. Entropy values must be sourced from a strong supply of randomness. This suggests flipping a good coin, rolling a good dice, sounds measurements and so forth. Do NOT use phrases from books, lyrics from songs, your birthday or steet tackle, keyboard mashing, or anything at all you believe https://directoryholiday.com/listings13251742/bip39-passphrase-generator-https-linktr-ee-bip39-the-greatest-guide-to-bip39-checksum