Bip39 Seed Phrase. The passphrase is just not chosen within the predefined list of 2048 words – it could be any word or phrase you choose. This may include developing a immediate backup, a cryptic hint that only you'll fully grasp, sharing elements of the passphrase with dependable relatives. In https://socialtechnet.com/story4615178/ian-coleman-bip39-https-linktr-ee-bip39-not-known-details-about-bip39-wallets