 Authorities in many countries have warned of potential risks involved in businesses like OneCoin and undertaken prosecutions against persons linked to OneCoin, including CEO Ruja Ignatova and her brother Konstantin Ignatov.In March 2016, The Direct Selling Association in Norway warned against OneCoin, comparing it to a pyramid scheme.In December 2016, The Italian Antitrust Authority (Autorità Garante della Concorrenza e del Mercato) "adopted an interim injunction against the company One Network Services Ltd., active in the promotion and dissemination of cryptocurrency OneCoin...", and its representatives in Italy, describing their activities as an "illegal pyramid sales system" ("sistema di vendita piramidale vietato dalla legge"), and ordering them to cease promoting and selling OneCoin in Italy  On 27 February 2017, after concluding their investigation, AGCM banned all activity on OneCoin until further notice.