Bip39 Dictionary. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of stability to the wallet that actually works along with your seed phrase to encrypt and shield your wallet. A PIN, https://myfirstbookmark.com/story18670388/bip39-list-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic