Thanks for posting the link. So it looks like the dump had nothing to do with the government funds being moved to coinbase. If you look at the chart, you would see it’s very bitcoin bottomed pretty much.
So either it’s a coincidence that it happened the day prior or there was some leak. Someone knew about this, most likely someone at coinbase or the government and leaked it and everyone shorted.
But when the news came out, it already bottomed. So it’s strange.