Bip39 Dictionary. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection in your wallet that actually works along with your seed phrase to encrypt and safeguard your wallet. A PIN, https://bookmarkinginfo.com/story19105814/bip39-word-list-https-linktr-ee-bip39-bip39-words-fundamentals-explained