Bip39 Passphrase. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of safety to the wallet that works together with your seed phrase to encrypt and shield your wallet. A PIN, Alternatively, is https://thekiwisocial.com/story4212779/bip39-wallets-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-wallets