Bip39 Checksum. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of safety to your wallet that works alongside your seed phrase to encrypt and guard your wallet. A PIN, Alternatively, is https://trackbookmark.com/story20330426/bip39-https-linktr-ee-bip39-a-review-of-bip39-generator