Bip39 Passphrase Generator. The passphrase just isn't selected in the predefined list of 2048 words – it can be any word or phrase you end up picking. Entropy is an advanced attribute. Your mnemonic could possibly be insecure if this aspect is used incorrectly. Study more If you would like, https://bookmarkjourney.com/story18936927/bip39-wallet-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy