Bip39 Word List Numbers. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of security on your wallet that actually works alongside your seed phrase to encrypt and safeguard your wallet. https://livebookmarking.com/story19150989/bip-39-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled