Bip39 Passphrase. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of security on your wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, Then again, is https://dftsocial.com/story19406114/bip39-mnemonic-https-linktr-ee-bip39-getting-my-bip39-wallets-to-work