Bip39 Vs Slip39. 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 safety towards your wallet that works along with your seed phrase to encrypt and protect your wallet. https://getsocialnetwork.com/story4631436/bip39-words-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting