Paul Krugman (Nobel Prize-winning Economist) on crypto-currencies: Speculative bubble, Ponzi scheme, used for illegal activities like money laundering and lacks any attributes of a useful currency: extremely unstable purchasing power. Also, Paul Krugman in 1998: By 2005 or so, it will become clear that the Internet’s impact on the economy has been no greater than the fax machine’s. https://t.me/bulletsapp/747