Bip39 Wallet. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, while in 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 secure your wallet. A PIN, https://bookmarkspring.com/story14284038/bip-39-https-linktr-ee-bip39-bip39-generator-an-overview