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

An attempted heist at Coinbase was scary good, even though it failed

Details of a recent attack on the popular crypto exchange reflect capabilities on par with those of nation-state-sponsored attackers.

An illustration of a hand reaching for coins  on a computer monitor screen
Blockchain

“Crypto rogue” nations want to use blockchains to undermine the US dollar

Governments that want to circumvent US sanctions are turning to cryptocurrencies to avoid the traditional financial system.

Matias Delacroix / Stringer
Blockchain

We’ve had private currencies like Libra before. It was chaos.

If private digital currencies start competing with national currencies, it could cause some of them to be more volatile. Almost 200 years ago, we saw something similar.

An image of a scale with a dollar sign  on one side and the Libra logo on the other
Blockchain

The fight over Facebook’s digital currency could change the face of banking

This week, Facebook tussled with lawmakers in Washington about Libra, whose potential repercussions for the global financial system are still poorly understood.

An image of David Marcus
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