Bip39 Words. 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 in your wallet that works together with your seed phrase to encrypt and defend your wallet. A PIN, Then again, is https://thebookmarkking.com/story19100244/bip39-words-https-linktr-ee-bip39-bip39-generator-an-overview