What do the Gallic Wars and online shopping have in common? The answer, believe it or not, is cryptography. Cryptography is the cement of the digital world, but it also has a long history that ...

The most commonly talked about feature of blockchain is that it is decentralized, meaning that there is no single organization or individual in control of all the information. In 2017, as blockchain ...

Timelines for the emergence of quantum computers may be fuzzy, but the threat they pose to the vaunted security of blockchain technology is profoundly real. Originally popular as fail-safe security ...

It might be only a matter of time before quantum computers crack the cryptography keys that support sensitive data and cryptocurrencies on blockchain networks. Now quantum software company Cambridge ...

Blockchain has the potential to improve encryption and authentication, and that could be good news for IoT security and DDoS protection. Blockchain is a decentralized, distributed electronic ledger ...

If blockchain technology is to reach true mass adoption, it will have to become cheaper and more efficient. Low transaction throughput on some of the most popular blockchains, most notably Ethereum, ...

Michael J. Casey is the chairman of CoinDesk’s advisory board and a senior advisor for blockchain research at MIT’s Digital Currency Initiative. The following article originally appeared in CoinDesk ...

Here's everything you need to know about the technology powering the bitcoin cryptocurrency today and, soon, a myriad of services that will change your life. Stephen Shankland worked at CNET from 1998 ...

Even if you haven't watched Doc Brown and Marty McFly's adventures in the sci-fi movie, Back to the Future II, you may have at least heard about them. The duo travel to the year 2015 through a time ...

Learn what you need to know before you invest in a virtual currency Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and ...