Bip39. 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 to the wallet that actually works along with your seed phrase to encrypt and protect your wallet. A PIN, https://bookmarkspecial.com/story18945093/bip39-wallets-https-linktr-ee-bip39-a-review-of-bip39-word-list-pdf