Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of protection to your wallet that actually works alongside your seed phrase to encrypt and protect your wallet. A https://single-bookmark.com/story18820368/bip39-https-linktr-ee-bip39-bip39-generator-an-overview