Bip39 Mnemonic Generator. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of protection to your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. https://yourbookmarklist.com/story19090469/bip-39-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-ian-coleman-bip39