Bip39 Standard. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of security in your wallet that works together with your seed phrase to encrypt and guard your wallet. A PIN, On https://bookmarkpressure.com/story18598858/bip39-wallets-https-linktr-ee-bip39-bip39-generator-an-overview