Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security for your wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, On the https://myfirstbookmark.com/story19145875/bip39-words-https-linktr-ee-bip39-bip39-words-secrets