Bitcoin's Carbon Footprint Is Massive, According to a New Study
Creating the cryptocurrency requires an enormous amount of energy.
Blockchain
Weighing the Pros and Cons of a More Technology-Dependent Census
The 2020 census will rely on more digital innovation than ever, which is creating both concerns and opportunities.
How Much Energy Does Bitcoin Actually Use?
The secretive industry is notoriously hard to track, but an economics-based model could help researchers and policymakers estimate just how much electricity the cryptocurrency requires.
Sierra Leone's Blockchain Election That Wasn't
A slew of stories about the use of blockchain to ensure election security don't reflect the reality on the ground.
Why Bitcoin's Value Could Eventually Approach Zero
Unless energy efficiency improves dramatically, demand for cryptocurrencies will eventually be self-limiting.