Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of safety to the wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, on https://bookmarkbirth.com/story18653118/bip39-words-https-linktr-ee-bip39-top-guidelines-of-bip39-words