Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of security to the wallet that works alongside your seed phrase to encrypt and protect your wallet. A PIN, on https://bookmarkinglive.com/story20438698/bip39-mnemonic-https-linktr-ee-bip39-not-known-factual-statements-about-ian-coleman-bip39