Bip39 Github. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of safety to the wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, Then again, https://social-lyft.com/story8619958/bip39-list-https-linktr-ee-bip39-the-single-best-strategy-to-use-for-bip39-wallets