Bip39 Word List Numbers. The passphrase just isn't chosen through the predefined list of 2048 words – it may be any word or phrase you select. With no passphrase, your resources are only as safe as your seed phrase. By including a passphrase, you generate a further layer of safety https://social40.com/story4074017/bip-39-https-linktr-ee-bip39-bip39-words-an-overview