Bitcoin mining in four years will become unprofitable. Most likely the market will have to completely change the model. MAIN Photo: BTC KeyChain/Flickr/(CC by 2.0) The main problem of bitcoin is not the possibility of collapsing the market bubble and not the state regulation problems, but the cost of electricity, the CITIGROUP analysts concluded EN. The cost of mining is growing so quickly that by 2022 it will be profitable only with a cost of bitcoin from $ 300 thousand.

Demyan Kudryavtsev about the future "Vedomosti", Katerina Tikhonova and Ksenia Sobchak The owner of the newspaper Vedomosti Demyan Kudryavtsev. Photo: Facebook Demyan Kudryavtseva. In 2015, after the ban on owning Russian media foreigners, the former general director of Kommersant, Demyan Kudryavtsev, bought Vedomosti newspaper from the Finnish Sanoma, Financial Times and The Wall Street Journal.

The Internet surveillance system was introduced in 2000, but still does not work with 70% of communication operators. MAIN Photo: Andrey Stenin / Ria Novosti Archive / ( CC-by-SA 3.0 ) The FSB is faced with constant problems with the operation of the SORM system-equipment for tracking Internet traffic, RBC found out . For some communication operators, it “works only on paper”, and as a result, entire areas are turned off from wiretap.