Federal authorities arrested an Ohio man for operating a cryptocurrency laundering service that moved some $300 million in bitcoin via a “tumbling” operation. Larry Dean Harmon of Akron ran an operation called Helix, which partnered with now-defunct underground marketplace AlphaBay, known for illegal activity including drug deals, according to the Department of Justice. The feds shut down AlphaBay in 2017.
Cofactor is a large, structured listing of people, places, and things. Here you can find the description of each topic.