Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of protection on your wallet that works together with your seed phrase to encrypt and defend your wallet. A PIN, https://fellowfavorite.com/story20761596/ian-coleman-bip39-https-linktr-ee-bip39-not-known-details-about-bip39-wallets