Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of safety to the wallet that actually works together with your seed phrase to encrypt and shield your wallet. A PIN, https://rotatesites.com/story20232295/ian-coleman-bip39-https-linktr-ee-bip39-not-known-details-about-bip39-list