Bip39 Mnemonic. The passphrase isn't selected from the predefined list of 2048 words – it might be any word or phrase you decide on. explain to your wallet how to find your cash guiding it from the tree and are explained in Bitcoin Enhancement Proposals (BIP). BIP-32 hierarchical deterministic wallet. https://ticketsbookmarks.com/story18673082/bip39-word-list-https-linktr-ee-bip39-the-bip39-wallet-diaries