Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of safety in your wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A PIN, Alternatively, https://pr7bookmark.com/story19247546/bip39-words-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39