Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of security to your wallet that actually works alongside your seed phrase to encrypt and protect your wallet. A PIN, However, is https://toplistar.com/story21645856/bip39-mnemonic-https-linktr-ee-bip39-top-guidelines-of-bip39-words