Bip39 Mnemonic Generator. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection for your wallet that actually works along with your seed phrase to encrypt and protect your wallet. https://bookmarkfriend.com/story18684362/bip39-mnemonic-https-linktr-ee-bip39-a-review-of-bip39-generator