Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of protection to the wallet that works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, https://health-lists.com/story19423126/bip39-passphrase-https-linktr-ee-bip39-getting-my-bip39-wallets-to-work