Libzkfpdll -

| Backend | Proof gen (ms) | Verify (ms) | Proof size (B) | Setup trust | |---------|----------------|--------------|----------------|-------------| | Groth16 | 210 | 8 | 192 | Trusted (1 day) | | Plonk | 410 | 24 | 784 | Universal | | Bulletproofs | 1840 | 92 | 1248 | Transparent |

, serving as the primary interface between your application and biometric hardware. It is essential for developing custom software for devices like the Core Capabilities libzkfpdll

The DLL needs other C++ redistributable packages to run. Installing the Visual C++ Redistributable (often 2013 or 2015) usually fixes this. 2. "Device Not Found" | Backend | Proof gen (ms) | Verify

: You must first install the ZKFinger SDK for Windows from the ZKTeco Download Center to obtain the necessary drivers and library files. libzkfpdll