Bip39 Dictionary. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of protection towards your wallet that actually works together with your seed phrase to encrypt and shield your wallet. A PIN, Alternatively, https://top100bookmark.com/story19336562/bip39-mnemonic-https-linktr-ee-bip39-a-review-of-bip39-generator