Bip39 Standard. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of security towards your wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A PIN, on https://captainbookmark.com/story19330250/bip39-wallet-https-linktr-ee-bip39-bip39-words-an-overview