Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase just isn't the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of protection for your wallet that works along with your seed phrase to encrypt and guard your wallet. A PIN, https://bookmarkingdepot.com/story18984999/bip39-words-https-linktr-ee-bip39-a-review-of-bip39-words