Bip39 Mnemonic. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of stability to the wallet that works along with your seed phrase to encrypt and guard your wallet. A PIN, on https://bookmarkspy.com/story20440525/bip-39-https-linktr-ee-bip39-not-known-factual-statements-about-ian-coleman-bip39