Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of stability to the wallet that actually works together with your seed phrase to encrypt and shield your wallet. A PIN, https://socialmediaentry.com/story4931629/bip39-generator-https-linktr-ee-bip39-bip39-words-secrets