Bip39 Mnemonic Code Converter Tool. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of stability to the wallet that actually works alongside your seed phrase to encrypt and guard your wallet. https://gatherbookmarks.com/story19931608/bip39-wallet-https-linktr-ee-bip39-getting-my-ian-coleman-bip39-to-work