You’re right, it’s a war, it’s a war on disinformation. We’ve been subjected to weeks and weeks of lies, conspiracy theories, and unsubstantiated allegations. There is nothing coherent about any of the allegations. Everything has been completely baseless so far.
The best source of truth is to actually go look at the results themselves on a county by county basis. The NY Times have got a real nice visual that shows how the vote in each county has swung from 2016.
Go here, click “Shift From 2016” - https://www.nytimes.com/interactive/2020/11/03/us/elections/results-president.html
If there was fraud in the cities of Philadelphia, Milwaukee, Detroit, Atlanta, etc. it would have stuck out like store thumb. You’d be seeing a wave of red all over the US, with some ridiculous and very isolated blue spikes in the cities. You don’t see that though. What you see fits the narrative. Trump was generally very popular in rural and non-coastal parts of America. Biden was popular in coastal and urban America.