Use cases: access control systems, time attendance systems, mobile devices, healthcare for patient verification, etc. Mention industries where this is applicable.
Let me also think about possible alternative libraries or SDKs. Mentioning them gives readers options. For example, Suprema's Biostar SDK, Neurotechnology's VeriFinger, or others. But since the focus is on libzkfpdll, just a brief mention. libzkfpdll
Also, troubleshooting tips: enable logging if possible, check for API documentation, look into SDK forums or support channels if available. Use cases: access control systems, time attendance systems,
Challenges: compatibility issues with different hardware models, ensuring security, handling false matches, performance optimization. Also, legal considerations around biometric data. Use cases: access control systems