Bip39 Mnemonic Code Converter 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 additional layer of safety towards your wallet that works alongside your seed phrase to encrypt and shield your wallet. A PIN, https://social4geek.com/story4334305/bip39-list-https-linktr-ee-bip39-the-2-minute-rule-for-bip39-word-list