Bip39 Passphrase. Is passphrase similar to 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 to the wallet that works together with your seed phrase to encrypt and defend your wallet. A PIN, However, is https://210list.com/story19224344/bip39-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase