Bip39 Github. Is passphrase the same as PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of stability in your wallet that actually works together with your seed phrase to encrypt and defend your wallet. https://bookmarkassist.com/story19421501/bip39-wallet-https-linktr-ee-bip39-an-unbiased-view-of-bip-39