This week, during the conference Building on Bitcoin, Jameson Lopp, the former leading engineer in BitGo and engineer in Casa HODL has mentioned an interesting detail. According to his calculations, 4 million bitcoins are lost, and 2 million are stolen.

The rapid growth of cryptocurrencies has attracted professionals and amateur investors worldwide. Cryptocurrencies now hold a market cap of more than $300 billion.

The popular messenger Viber, owned by the Japanese electronic trading giant Rakuten, plans to launch the support and exchange of its cryptocurrency Rakuten Coin in Russia during the year, informs Interfax.