Blockchain

What is a blockchain? Distributed ledger technology underlies cryptocurrencies like bitcoin and could be the future of money, security, and online privacy. But there's also a ton of hype.

Blockchain

How Texas’s wind boom has spawned a Bitcoin mining rush

Texas’s wind-powered digital gold rush might redraw the global map of the Bitcoin mining network.

A person putting together a cryptocurrency mining rig.
Blockchain

How the North Korean hackers behind WannaCry got away with a stunning crypto-heist

The so-called Lazarus group has used elaborate phishing schemes and cutting-edge money-laundering tools to steal money for Kim Jong-un’s regime.

North Korean leader Kim Jong Un inspects fighter combat readiness of Unit 1017 of the Air and Anti-aircraft Force of the Korean People's Army, in an unknown location in North Korea.
Blockchain

An elegy for cash: the technology we might never replace

Cash is gradually dying out. Will we ever have a digital alternative that offers the same mix of convenience and freedom?

Conceptual illustration of a coin funeral
Blockchain

Sorry, but cryptocurrency will likely make you uncomfortable in 2020

It might even piss you off. Thanks, Libra.

Zuckerberg
Blockchain

China may be just about to launch its digital currency in two cities

Real-world tests of the system are set to begin soon, according to a local news report.

High-rise buildings in Shenzhen, China.
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