Bip39 Dictionary. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of protection to the wallet that actually works together with your seed phrase to encrypt and guard your wallet. A PIN, https://thesocialroi.com/story8619293/ian-coleman-bip39-https-linktr-ee-bip39-a-review-of-bip39-words