denying that people try to commit fraud (e.g. Nevada Republican using his deceased wife's ballot to vote for Trump)...but we already have the means to uncover such frauds when an election is close...as Georgia did with its three recounts...one being by hand.
The 2020 election was won fair and square...that's why every county, in every state in the Union...including the reddest of red states...concurred that Joe Biden is our President.
Btw, I don't recall ANY other race or ballot proposition being challenged and overturned...just one contest...Donald J. Trump's quest to be re-elected, and saved from oblivion...didn't work out for that malignant narcissist...poor guy.
Link: https://www.washingtonpost.com/politics/2022/04/22/mark-meadows-was-simultaneously-registered-vote-three-states/