Bip39 Vs Slip39. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of security in your wallet that works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, on https://sitesrow.com/story9376965/bip39-wallet-https-linktr-ee-bip39-5-essential-elements-for-bip-39