Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of protection to the wallet that works along with your seed phrase to encrypt and secure your wallet. A PIN, https://bookmarkfly.com/story18846486/bip39-generator-https-linktr-ee-bip39-the-bip39-wallet-diaries