Bip39 Dictionary. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of protection in your wallet that actually works together with your seed phrase to encrypt and guard your wallet. A PIN, https://bookmark-template.com/story23644636/bip39-mnemonic-https-linktr-ee-bip39-5-easy-facts-about-bip39-generator-described