Bip39 Seed. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security in your wallet that works together with your seed phrase to encrypt and secure your wallet. A PIN, https://bookmarkeasier.com/story18640701/bip39-https-linktr-ee-bip39-an-unbiased-view-of-bip-39