Bip39 Mnemonic Generator. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of stability to the wallet that actually works along with your seed phrase to encrypt and safeguard your wallet. https://explorebookmarks.com/story18599727/bip39-passphrase-https-linktr-ee-bip39-a-review-of-bip39-generator