Bip39 Github. At the start it is best to keep it SEPARATELY from your seed. Getting your seed and your passphrase in the same place defeats the objective of using a passphrase in the first place. At its Main, a BIP39 passphrase modifies the cryptographic means of wallet generation. Listed https://bookmarklinking.com/story4705637/bip39-passphrase-https-linktr-ee-bip39-bip39-words-an-overview