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 security to the wallet that works alongside your seed phrase to encrypt and protect your wallet. A PIN, https://gorillasocialwork.com/story21044687/bip39-passphrase-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic