I found in my newly installed macOS system there is a service running on port 61500 and the process command is
man xartstorageremoted and found the manual of this deamon. After reading it I still don't understand what is this deamon used for. I searched Google and there is nearly nothing about it. Does anyone know something about it? What it used for in a common user's perspective?
The xartstorageremoted executable is a daemon intended to listen for save/fetch requests from the CoProcessor. This daemon is required for multi-partitions and multi-users support.
xartstorageremoted must not be unloaded and should only be run via launchd when a request must be handled.