Bip39 Passphrase Generator. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of stability in your wallet that actually works along with your seed phrase to encrypt and safeguard your wallet. https://thebookmarknight.com/story19505205/bip39-wallets-https-linktr-ee-bip39-bip39-wallet-can-be-fun-for-anyone