visual data: population density

 List of states and territories of the United States by population density - Wikipedia

what is better visualization ?

 

List of countries and dependencies by population density - Wikipedia

China's Digital Currency

 Anxiety in the US as China Creates the First Major Digital Currency

A cyber yuan gives Beijing power to track spending in real time. Importantly, it's money that isn’t linked to the dollar-dominated global financial system.

Cyber Yuan vs Bitcoin and Altcoins

The cyber yuan is a government-sponsored digital currency designed to track the movement of every penny. Bitcoin promotes anonymity.

A thousand years ago, when money meant coins, China invented paper currency. Now the Chinese government is minting cash digitally, in a re-imagination of money

China’s version of a digital currency is controlled by its central bank, which will issue the new electronic money.