Bip39 Github. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of safety in your wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, https://socialislife.com/story4535773/bip39-wallets-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy