Bip39 Ian Coleman. The passphrase will not be selected with the predefined list of 2048 words – it can be any word or phrase you choose. This could contain developing a direct backup, a cryptic hint that only you would understand, sharing portions of the passphrase with trustworthy loved ones. https://pageoftoday.com/story4504380/bip39-list-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained