Crypto Live News 
Karl Sebastian Greenwood, a co-founder of OneCoin, has been sentenced to 20 years in prison and ordered to pay a $300 million fine for defrauding investors with the cryptocurrency. OneCoin was marketed as a digital currency but was in reality a pyramid scheme that tricked investors out of billions of dollars. Greenwood, along with co-founder Ruja Ignatova, convinced people to invest in OneCoin with promises of high returns. Ignatova is still missing, and authorities are searching for her.
Source: https://coinpedia.org/crypto-live-news/onecoin-co-founder-sentenced-to-20-years-in-prison-for-defrauding-investors/