Bip39 Online. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of protection for your wallet that actually works alongside your seed phrase to encrypt and secure your wallet. A PIN, Then again, https://bookmarklinx.com/story19010625/bip39-passphrase-https-linktr-ee-bip39-bip39-words-secrets