Bip39 Dictionary. Is passphrase the same as PIN? No, a passphrase will not be the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of stability for your wallet that actually works along with your seed phrase to encrypt and guard your wallet. https://mixbookmark.com/story4292747/bip39-wallet-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting