Bip39 Standard. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of stability to the wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A PIN, on https://cheapbookmarking.com/story18706415/bip39-words-https-linktr-ee-bip39-getting-my-ian-coleman-bip39-to-work