I also have a background in Devexpress framework particularly in XAF.
Onlinejobs "ID Proof" Indicator Indicates if "they are who they say they are".
DOES NOT Indicates skill level.
ID Proof scores are 0 - 100 with 100 being the best. It is calculated based on dozens of data points.
It's intended to help employers know who they're talking to is real, and not a fake indentity.