Blockchain-based microgrid gives power to consumers in New York — Aviva Rutkin, www.newscientist.com

Something odd is happening on President Street in Brooklyn. While solar panels on the roofs of terraced houses soak up sun, a pair of computers connected to the panels quietly crunch numbers. First, they count how many electrons are being generated. Then, they write that number to a blockchain. Welcome to the future of energy exchange.