BitConnect was an open-source cryptocurrency which was associated with an investment lending platform. However, it was ultimately found to be a Ponzi scheme, a fraudulent investing scam promising high rates of return with little risk to investors. The BitConnect Scheme was reminiscent of classic Ponzi Schemes, where those who invested early were paid returns using the investments of newer entrants. As for what happened to the people behind the scams, the situation is complex: 1. Although the detailed identity of many people involved in BitConnect is still unknown, some arrests have been made. 2. The most named individual associated with BitConnect is Divyesh Darji, who was reported as the head of BitConnect in India. Darji was arrested in 2018 in connection to the scam, and was later reported to be involved with other similar scams. 3. Carlos Matos, a notable figure for the BitConnect scheme because of his enthusiastic speeches at BitConnect gatherings, hasn't been reported arrested or legally penalized, as there's no confirmed evidence of him being a part of the actual scam. He might have been a victim himself or simply a promotional figure, but the exact relationship between Matos and BitConnect organizers is unclear. In January 2018, after receiving cease-and-desist letters from the Texas State Securities Board and the North Carolina Secretary of State Securities Division, BitConnect formally announced its shutdown. Several other lawsuits were subsequently filed. As for investors' funds, most were never recovered. Cryptocurrency, by nature, is a decentralized and unregulated form of currency, so pursuing action against these frauds can be complicated. This case underscores the importance of thorough research and caution when dealing with cryptocurrency and investment platforms, especially those promising high returns. It's always a good idea to remember the old saying: "If something sounds too good to be true, it probably is."