Bip39 Wallet. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of safety to the wallet that actually works together with your seed phrase to encrypt and secure your wallet. https://bookmarkspiral.com/story19599455/bip39-https-linktr-ee-bip39-bip-39-no-further-a-mystery