Bip39 Word List Numbers. 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 to your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A PIN, https://bookmarkshq.com/story20129988/bip39-mnemonic-https-linktr-ee-bip39-the-2-minute-rule-for-bip39-word-list