Bip39 Tool. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of protection for your wallet that actually works together with your seed phrase to encrypt and safeguard your wallet. A PIN, On https://nybookmark.com/story20524633/bip-39-https-linktr-ee-bip39-the-bip39-wallet-diaries