Bip39 Passphrase Generator. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of protection towards your wallet that actually works along with your seed phrase to encrypt and guard your wallet. A PIN, Alternatively, https://bookmark-group.com/story4642039/bip39-list-https-linktr-ee-bip39-about-ian-coleman-bip39