Three of the Central Asian countries -- Kazakhstan, Uzbekistan, and Kyrgyzstan -- have been hit by a power blackout after Kazakhstan's North-South power line was disconnected due to "emergency imbalances." However, Kazakhstan has blocked companies mining cryptoassets from Jan. 24 to Jan. 31, a spokeswoman for state-run grid operator KEGOC said, per Bloomberg. Electricity supplies in Uzbekistan and Kazakhstan were being restored Tuesday....