There's a chance the ballots that are faked, if they were printed at a different time/place, could have the time, location, and some other data printed on them. All commercial printers do it because the FBI wanted to be able to track down counterfeit bills (and just track people in general.
The Pope would like to know your location https://en.m.wikipedia.org/wiki/Papal_infallibility
https://twitter.com/celestrogen/status/1256741561892843523
Tineye is free and easy to use.
A joke amongst my family is that whenever I hear anything that could be (mis)construed as racist, I say that it's racist. From who goes first in chess to what color paint we're getting. It's by far the most common reason I hear that something is racist now. Second most is a friend of a friend who is a communist going to college for political science.
Possibly reading into this too much, but it seems to me Putin is fed up with the communication he's getting. Something like emails or things that take a while to send and prepare, possibly not even by Biden. Either way, this would be a chance to assert dominance over the US- make the president appear weak, without any aggressive moves. This would also be a chance for him to see if Biden is really the one in control.