Combining the vulnerabilities of NFC with the non-security of thumbprint reading on a device not controlled by the party wishing to verify your identity? This

Combining the vulnerabilities of NFC with the non-security of thumbprint reading on a device not controlled by the party wishing to verify your identity? This is the kind of speculation that The Fonz might have engaged in after that incident involving riding a motorbike in an airborne fashion over a captive chrondrichthyes.