Bip39 Ian Coleman. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of protection to the wallet that actually works alongside your seed phrase to encrypt and protect your wallet. A PIN, https://bookmarkcitizen.com/story19336245/bip-39-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-wallets