Key Takeaways DOJ charges ten executives from Gotbit, Vortex, Antier, and Contrarian over alleged wash trading schemes. Authorities say bots were used to inflate trading volume and prices; several defendants have been arrested or pleaded guilty. Binance introduces stricter rules requiring market maker disclosure and banning profit-sharing arrangements. U.S. federal prosecutors have charged ten individuals linked to four crypto market-making firms over alleged wash trading and price manipulation s ...