Bip39 List. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of safety to the wallet that actually works along with your seed phrase to encrypt and safeguard your wallet. A PIN, Alternatively, https://infopagex.com/story4161557/bip-39-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-wallets