Bip39 Words. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of security to the wallet that actually works together with your seed phrase to encrypt and guard your wallet. A https://toplistar.com/story21263330/bip-39-https-linktr-ee-bip39-an-unbiased-view-of-bip-39