Bip39 Word List. Is passphrase similar to PIN? No, a passphrase just isn't 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 secure your wallet. A PIN, https://fatallisto.com/story8567965/bip39-wallet-https-linktr-ee-bip39-getting-my-ian-coleman-bip39-to-work