Bip39 Mnemonic Generator. The passphrase is not picked from the predefined list of 2048 words – it could be any word or phrase you select. BIP39 is often a structure implementation that lays out how copyright wallets develop the list of words (or "mnemonic codes") that make up a mnemonic https://bookmarkshq.com/story21279310/bip39-word-list-pdf-https-linktr-ee-bip39-not-known-details-about-bip39-list