On Friday, Russia's central bank intensified its fight against private cryptocurrencies, after Valeriy Lyakh, head of its department for countering market misconduct, said in a video that investment in cryptocurrencies was an "out-and-out swindle", Reuters reported. Meanwhile, prices of Bitcoin (BTC), Ethereum (ETH), Dogecoin(DOGE) and Shiba Inu (SHIB ) were on the downside at 5:30 pm, on December 17.