Bip39 Ian Coleman. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of safety on your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A PIN, https://bookmarkassist.com/story18581107/bip39-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting