Due to copyrights I cannot deliver some POIs as plain vector data using GeoJSON in Leaflet or OpenLayers. I'm therefor looking for some kind of sane obfuscation, to make it harder for normal users to get to the coordinates.
Creating a new map projection might not be a good solution, since the webmapping library has to contain the code to reproject to the map's CRS.
MVT maybe a better solution. Of course the original coordinates still could be reversed, albeit with greater effort.
Seems like the most secure solution is to precalculate the POIs as raster tiles with a WMS(T) (of course with the map icons). Interactivity would come via UTFgrid.
I also was thinking about SVG or local leaflet x-y coordinates. Here reverse engineering is still possible, but the effort increases extremely.
Anyone with a better idea?