the only two significant things i’ve heard, one is pretty much confirmed.
republicans had access illegally to source code for dominion voting machines (we know this because people were charged over it) this is also the contents of the “letter to VP harris” thing that was released a minute ago. Though it doesn’t claim fraud or anything of the nature, just calls for a recount, and establishing that no foul play happened.
The second, and one i haven’t dug into at all, so take this at face value, is that apparently, there may have been a very large number of “bullet ballots” or ballots just voting for trump, in AZ i think. I don’t know the status of this one. Even if it’s true, it doesn’t explicitly mean voter fraud happened. It may be a tad bit suspect though.
Those are the only two theories i’ve heard that have weight, granted i’m not following election conspiracies, because i’m a normal sane person.
Realistically the most likely “fraud” was elon musk buying twitter.
the simplest fix for states would be to adopt something like what maine and nebraska have, since they have vastly more representative turnout compared to FPTP.
Wouldn’t be perfect, but would basically kill any chance of republican DEI in the fed ever again lol.