Bip39 Mnemonic Generator. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety to your wallet that actually works alongside your seed phrase to encrypt and secure your wallet. A PIN, Then again, https://wiishlist.com/story19235207/bip39-wallets-https-linktr-ee-bip39-an-unbiased-view-of-bip-39