In the patent, IBM provides a brief description of augmented reality, stating that such a form of gaming is tied to a location that is overlaid by images of more game items such as characters, resources, or internal game locations. By applying the new blockchain patent, IBM can provide a guarantee of “trust” between real world locations and location-based AR games.

Source: IBM Patents Blockchain System to Create ‘Trust’ Between AR Game Players, Real World Locations, Helen Partz, November 4, 2018