Joseph Stiglitz, a Nobel-Prize winning economist, says cryptocurrencies should be shut down. He worries that they enable illicit activity by making money transactions less transparent.

Joseph Stiglitz, a Nobel-Prize winning economist, says cryptocurrencies should be shut down. He worries that they enable illicit activity by making money transactions less transparent. https://t.co/1RTW8q6sFW pic.twitter.com/sTFUet836p

— CNBC (@CNBC) August 25, 2019