Bip39 Vs Slip39. 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 additional layer of security towards your wallet that works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, on https://bookmarkja.com/story21986975/bip39-mnemonic-https-linktr-ee-bip39-not-known-details-about-bip39-wallets