Bip39 Github. 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 extra layer of security to the wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A PIN, https://baidubookmark.com/story18888100/bip39-mnemonic-https-linktr-ee-bip39-a-review-of-bip39-generator