The authoritative guide to ensuring science and technology make life on Earth better, not worse.

cryptocurrency

pile of discarded tires

Scrap solution: Burning tires to mine bitcoin

By Jessica McKenzie | Climate Change

How bitcoin makes burning fossil fuels more profitable than ever

By Jessica McKenzie | Climate Change, Disruptive Technologies

bitcoin surrounded by static on blue background

Introduction: The unintended—and undermanaged—consequences of blockchain and cryptocurrency

By Dan Drollette Jr | Analysis, Climate Change, Disruptive Technologies

abstract image of blockchain tech

After the fall: Bitcoin’s true legacy may be Blockchain technology

By Eswar Prasad | Analysis, Disruptive Technologies

illustration bitcoin in the dirt

This gas would have stayed in the ground if it wasn’t for bitcoin

By Jessica McKenzie | Climate Change

bitcoin and other cryptocurrencies

Cryptocurrency will not save Putin from sanctions

By Aaron Arnold, Allison Owen | Analysis, Disruptive Technologies

Illustration by Matt Field. Based in part on photo by RodCastler. CC BY-SA 3.0

Hackers keep North Korea’s weapons program running

By Matt Field | Cyber Security, What We’re Reading