Bip39 Github. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security for your wallet that works together with your seed phrase to encrypt and secure your wallet. A PIN, on https://johsocial.com/story10138666/bip39-words-https-linktr-ee-bip39-the-fact-about-bip39-words-that-no-one-is-suggesting