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 protection in your wallet that works along with your seed phrase to encrypt and safeguard your wallet. https://tvsocialnews.com/story4415267/bip39-passphrase-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-ian-coleman-bip39