Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of stability to the wallet that actually works along with your seed phrase to encrypt and shield your wallet. A PIN, on https://bookmarkgenious.com/story18886381/bip39-words-https-linktr-ee-bip39-the-2-minute-rule-for-bip39-word-list