Bip39 Wallet. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security for your wallet that works along with your seed phrase to encrypt and guard your wallet. A PIN, On https://friendlybookmark.com/story18936238/bip39-words-https-linktr-ee-bip39-a-review-of-bip39-generator