Bip39 Seed Generator. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of stability to the wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A https://getsocialnetwork.com/story4665895/bip39-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic