Bip39 Compatible Wallet. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection in your wallet that actually works together with your seed phrase to encrypt and safeguard your wallet. A PIN, https://exactlybookmarks.com/story18739710/bip39-wallet-https-linktr-ee-bip39-bip39-words-fundamentals-explained