Bip39 Word List Numbers. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of protection in your wallet that works along with your seed phrase to encrypt and safeguard your wallet. https://wavesocialmedia.com/story4356411/bip39-word-list-https-linktr-ee-bip39-the-best-side-of-bip39