Bip39 Wallet. The passphrase is not selected from your predefined list of 2048 words – it could be any word or phrase you select. BIP39 is usually a structure implementation that lays out how copyright wallets generate the set of words (or "mnemonic codes") which make up a mnemonic sentence, https://wearethelist.com/story20695249/bip39-passphrase-https-linktr-ee-bip39-top-latest-five-bip39-generator-urban-news