Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of safety to the wallet that works along with your seed phrase to encrypt and protect your wallet. A PIN, On https://socialevity.com/story20595855/bip39-wallet-https-linktr-ee-bip39-5-essential-elements-for-bip-39