Az aktuális rész ismertetője: Bitcoin is now big business and a major talking point around the world. Whilst some countries like China have banned cryptocurrencies, others have embraced them. Kazakhstan has grabbed the crytpo revolution with both hands and has become a leader in cryptocurrency mining, with companies built from scratch to power the technology that underpins these digital coins. But as Our World discovered, Kazakhstan's Bitcoin rush has come at a cost with electricity supplies threatened and profound environmental impacts being felt.