Cryptocurrencies

The worlds of finance and technology have been rocked by Bitcoin and other cryptocurrencies: encrypted digital currency created by complex computer algorithms. First developed in 2009 and launching several speculative frenzies, cryptocurrencies have created and destroyed fortunes over their turbulent history. Across years of New York Times articles, readers will discover the unfolding story of a technology that, while rarely performing as promised, has produced profound effects that cannot be ignored.