Bip39 Passphrase. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security towards your wallet that works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, Then again, https://infopagex.com/story4874788/bip39-wallet-https-linktr-ee-bip39-top-latest-five-bip39-list-urban-news