Using a data set from various Dark Web marketplaces, teams had three weeks to visualize the data and perform ML analysis.
This hackathon was based on Dark Web marketplace data generated by RAND-built scraping tools. About 500K entries (think of them as Craigslist for drugs/contraban) were analyzed by a variety of automated methods.
More info here: https://www.prgs.edu/news/2019/dark-web-hackathon.html
Analysis of international crypto market activity.
Noah Johnson presenting a breakdown of marketplace listings.