Do you have further stats at the Kanban board level such work time, wait time, block time and overall efficiency?

Indeed, we do. Please look into the Time Tracking and Reporting functionality. Please note, Time Tracking is available for the Enterprise users only.

You can also use our analytic tools such as the Lead & Cycle Time diagram to gather Kanban card-specific statistics. The Lead & Cycle diagram will provide you with start time, end time, and cycle time information for each task.