Bip39 Github. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety on your wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, However, is https://getsocialsource.com/story4186127/bip39-wallet-https-linktr-ee-bip39-about-ian-coleman-bip39