The title of a Saturday report from Bloomberg says it succinctly:

‘Dark Money’ Helped Pave Joe Biden’s Path to the White House.

More specifically, Biden’s campaign reeled in more “dark money” than any campaign in history, dwarfing Trump’s special interest contributions by multiples:

$145 million to $28.4 million. //

disintelligentsia
36 minutes ago
Now let's add in all the foreign money donated through prepaid cards because Dems choose not to use the basic security checks on their site while Republicans refuse to do anything about it. Same crap Obama did and yet the GOP did nothing about it when they held all branches. //

rmcgee
an hour ago
Really, that's peanuts alongside the in-kind contributions from Facebook, Twitter, Google, and the media which were probably to the tune of multiple billions of dollars.