Bip39 Checksum. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of protection in your wallet that actually works alongside your seed phrase to encrypt and secure your wallet. A PIN, Conversely, https://onelifesocial.com/story3999963/bip39-wallets-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting