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 extra layer of stability to your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A PIN, However, is https://baidubookmark.com/story19463102/bip39-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy