Bip39 Ian Coleman. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of protection in your wallet that works alongside your seed phrase to encrypt and protect your wallet. A PIN, However, is https://travialist.com/story8929207/bip39-https-linktr-ee-bip39-a-review-of-bip39-generator