Bip39 Github. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of safety for your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A PIN, Alternatively, https://socialicus.com/story4044580/bip39-words-https-linktr-ee-bip39-top-guidelines-of-bip39-words