“The latest bout of selling ensued after Russia’s central bank called for a crackdown on cryptos. Its central bank on Thursday proposed banning the use and mining of cryptocurrencies on Russian territory, citing threats to financial stability, citizens’ wellbeing and its monetary policy sovereignty.”
https://www.euronews.com/next/2022/01/21/russia-s-central-bank-is-proposing-a-ban-on-the-use-and-mining-of-crypto
https://economictimes.indiatimes.com/markets/cryptocurrency/is-crypto-market-in-for-long-winter-after-latest-bout-of-selling/articleshow/89036233.cms?from=mdr