Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security towards your wallet that actually works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, On https://socialbookmarkgs.com/story18829713/bip39-passphrase-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39