Odaily Planet Daily News A Russian woman who claimed to be a cryptocurrency expert was sentenced to seven years in prison by a Moscow court for planning and implementing a Ponzi scheme within 60 days in 2023, defrauding investors of $23 million (2.2 billion rubles) worth of Bitcoin. The woman's name is Valeria Fedyakina, from Simferopol. She pretended to be a legitimate cryptocurrency trader with offices around the world under the name "Bitmama", promising customers that they could use cryptocurrency to transfer funds overseas to bypass Western sanctions. (Decrypt)