Bip39 Vs Slip39. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security on your wallet that works together with your seed phrase to encrypt and defend your wallet. https://exactlybookmarks.com/story18614014/bip-39-https-linktr-ee-bip39-the-single-best-strategy-to-use-for-bip39-wallets