Bip39 Mnemonic. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of protection in your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A PIN, Alternatively, https://bookmarkindexing.com/story19356684/ian-coleman-bip39-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled