Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security on your wallet that works alongside your seed phrase to encrypt and secure your wallet. A PIN, On the https://bookmarklayer.com/story18938562/ian-coleman-bip39-https-linktr-ee-bip39-bip39-words-an-overview