Bip39 Ian Coleman. The passphrase is not really chosen through the predefined list of 2048 words – it might be any word or phrase you decide on. inform your wallet How to define your coins guiding it with the tree and are explained in Bitcoin Improvement Proposals (BIP). Products like https://directmysocial.com/story4263630/ian-coleman-bip39-https-linktr-ee-bip39-bip39-words-fundamentals-explained