How environmentally friendly is cryptocurrency?

How environmentally friendly is cryptocurrency?

By Peter Howson Bitcoin isn’t getting greener: four environmental myths about cryptocurrency debunked. The price of bitcoin has reached US$50,000 (£36,095) – another all-time high. It’s hard to believe that 10,000 bitcoin would only buy a couple of pizzas ten years...
Is it time for a wealth tax on billionaires?

Is it time for a wealth tax on billionaires?

By Chuck Collins The US’s billionaires have amassed democracy-distorting concentrations of wealth and power as millions have been thrown into poverty, says Chuck Collins.  What should good societies do when a wealthy few reap enormous financial windfalls during a...
How big is the economy of authoritarian regimes?

How big is the economy of authoritarian regimes?

By Stefano Riela Stefano Riela asks how big the economies are of authoritarian regimes.  The economy of authoritarian regimes comprises 30% of the World economy (see the red line in the figure). This percentage is on the rise, in contrast to what Francis Fukuyama...
Is the blockchain revolution coming?

Is the blockchain revolution coming?

By Gilbert Wong The technology behind cryptocurrency is going to change the way the world handles information. The tale of the Facebook Cambridge Analytica data scandal has all the ingredients of a Hollywood potboiler: dirty politics, faceless consultants for hire and...