Bip39 Mnemonic Generator. 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 on your wallet that actually works together with your seed phrase to encrypt and protect your wallet. A PIN, On https://bookmarkforest.com/story18987443/bip39-passphrase-https-linktr-ee-bip39-5-easy-facts-about-bip39-generator-described