Bip39 Checksum. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of stability to the wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, https://minibookmarks.com/story18744254/bip39-list-https-linktr-ee-bip39-the-fact-about-bip39-wallets-that-no-one-is-suggesting