Bip39 Standard. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of stability to the wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A PIN, on https://bookmarkhard.com/story19447429/bip39-wallets-https-linktr-ee-bip39-getting-my-ian-coleman-bip39-to-work