Bip39 Seed. Entropy values should be sourced from a strong supply of randomness. This implies flipping a good coin, rolling a good dice, noise measurements and so forth. Will not use phrases from publications, lyrics from music, your birthday or steet handle, keyboard mashing, or anything at all you believe https://directoryunit.com/listings13053723/bip39-mnemonic-code-converter-tool-https-linktr-ee-bip39-bip39-passphrase-generator-fundamentals-explained