Bip39 Standard. The passphrase is not selected within the predefined list of 2048 words – it could be any word or phrase you decide on. With out a passphrase, your funds are only as safe as your seed phrase. By including a passphrase, you build a further layer of safety https://bookmarking1.com/story18737879/bip39-mnemonic-https-linktr-ee-bip39-how-bip39-generator-can-save-you-time-stress-and-money