Bip39 Mnemonic. Is passphrase the same as PIN? No, a passphrase will not be similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of protection to the wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A https://singnalsocial.com/story4136722/bip39-wallet-https-linktr-ee-bip39-a-review-of-bip39-generator