Bip39 Standard. Is passphrase the same as PIN? No, a passphrase isn't the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of safety towards your wallet that actually works together with your seed phrase to encrypt and secure your wallet. A PIN, https://altbookmark.com/story20418861/bip39-mnemonic-https-linktr-ee-bip39-bip-39-no-further-a-mystery