Bip39 Compatible Wallet. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of protection towards your wallet that actually works together with your seed phrase to encrypt and protect your wallet. A PIN, https://macrobookmarks.com/story18994031/bip39-wallet-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase