Bip39. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of security in your wallet that works along with your seed phrase to encrypt and defend your wallet. A PIN, https://mixbookmark.com/story5116602/bip39-wallet-https-linktr-ee-bip39-a-review-of-bip39-generator