The Network Time Protocol (NTP) synchronizes time across computer systems over the Internet. Unfortunately, NTP is highly vulnerable to time shifting attacks, in …

Since Bitcoin was open sourced in 2009, we've been reading about how cryptocurrencies are the new internet. But how do they actually work? Lucy Wyman offers a deep dive into blockchains, covering what a blockchain is, how it works, the cool math and theory that it uses, and applications beyond cryptocurrencies.

The blockchain is a formerly niche idea thats on the path to becoming a standard technology (think responsive design or containers). The sweet spot for the blockchain is transactional data. Using an ownership-tracking example, Erin Morrissey walks you through the technical ideas behind the blockchain to show how each contributes and explains why any of it even matters.

Blockchain == buzzword * 10^10. By now, most of us have heard something about blockchains. Josh Butikofer walks you through building a very basic blockchain to demonstrate how the underlying technologies work and what they might be good for besides the cryptocurrency use case. Join in to go beyond yet another alt-coin to invest in and dig deeper into the tech.

Ajay Mothukuri and Vijay Srinivas Agneeswaran explain how to use open source blockchain technologies such as Hyperledger to implement the European Union's General Data Protection Regulation (GDPR) regulation.

Blockchain technology has been gaining popularity in the public, in industry, and in academia. However, these systems are currently limited in their ability to support robust, large-scale applications …

Cryptocurrency and blockchain technologies are changing the way that value and data is transferred and stored. Bitcoin was the genesis that turned the wheel to the development of blockchain and is sub …