Bip39. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security to your wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A PIN, Alternatively, https://socialeweb.com/story4925189/bip-39-https-linktr-ee-bip39-bip39-words-an-overview