Bip39 Dictionary. Is passphrase the same as PIN? No, a passphrase is just not the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of safety to your wallet that works along with your seed phrase to encrypt and guard your wallet. https://wavesocialmedia.com/story4677957/bip-39-https-linktr-ee-bip39-a-review-of-bip39-words