Bip39 Github. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of protection towards your wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A PIN, https://bookmarkfly.com/story19534113/bip39-wallets-https-linktr-ee-bip39-a-review-of-bip39-generator