Bip39 Github. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of protection to your wallet that actually works together with your seed phrase to encrypt and safeguard your wallet. https://mysocialname.com/story4548348/bip39-wallets-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic