Bip39 Mnemonic. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of protection on your wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A PIN, https://tetrabookmarks.com/story19535559/bip-39-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy