The Secret Digital Cash Test; Bitcoin's Questionable Beginnings; Overdue Recession; Nuclear Saber and Cold War 2; China's Rap Recruitment; Extending Settlement Rights; Iran Scolds U.S.; NK's Congress; Travel Ban; Drone Made Badly; AI Dancer; Printing Buildings; Alien Jellyfish; and Relocating a Community

Wall Street discusses secret digital cash test, Iran tells the U.S. to get out of the Persian Gulf, and discovery of a new, glowing jellyfish was announced (there's a video of that!).

Cashless

Inside the Secret Meeting Where Wall Street Tested Digital Cash bloomberg

The event -- announced in a statement this Monday -- marked a key moment in the evolution of blockchain, notable both for what was achieved, as well as how many firms were involved. The technology’s potential has captivated Wall Street executives because it offers a way to free up billions of dollars by speeding transactions that currently can take days, tying up capital. But a huge piece of that puzzle is transforming cash into a digital form. And while some firms have conducted experiments, the Chain event showed a large number of them are now looking jointly at a potential solution.