Bip39 Vs Slip39. Is passphrase the same as PIN? No, a passphrase will not be the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security in your wallet that works along with your seed phrase to encrypt and secure your wallet. https://bookmarkingfeed.com/story18579202/bip39-wallets-https-linktr-ee-bip39-bip39-words-secrets