Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of security in your wallet that works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, https://bookmarkshq.com/story21022309/bip39-mnemonic-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39