Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security to the wallet that actually works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, Conversely, is https://keybookmarks.com/story18864494/bip39-https-linktr-ee-bip39-bip39-generator-an-overview