Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of stability to the wallet that works along with your seed phrase to encrypt and protect your wallet. https://bookmarkingdelta.com/story19293269/bip39-generator-https-linktr-ee-bip39-not-known-factual-statements-about-ian-coleman-bip39