Bip39 Words. Is passphrase similar to PIN? No, a passphrase is not the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of safety on your wallet that actually works together with your seed phrase to encrypt and protect your wallet. A PIN, https://webnowmedia.com/story4150938/bip-39-https-linktr-ee-bip39-about-ian-coleman-bip39