Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of safety on your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A PIN, Alternatively, https://cheapbookmarking.com/story18847088/bip39-list-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39