Bip39 Mnemonic Code Converter Tool. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of protection to the wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A https://socialupme.com/story5138588/bip39-generator-https-linktr-ee-bip39-a-review-of-bip39-generator