Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase will not be similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of safety to your wallet that works together with your seed phrase to encrypt and defend your wallet. A PIN, https://thejillist.com/story9883018/bip39-list-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39