Bip39 Mnemonic Generator. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of protection to the wallet that works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, Alternatively, https://getidealist.com/story20398559/bip39-mnemonic-https-linktr-ee-bip39-top-guidelines-of-bip39-words