Imagine taking a block of data and turning it into a unique string of characters. Like giving it a digital nickname that never changes (unless the data does!). That’s a hash. Whether the original data ...

What is Proof of Work? Learn how this consensus mechanism secures blockchain networks, prevents fraud, and how companies like Argo Blockchain represent the future of sustainable mining.

Proof of Work (PoW) is a consensus mechanism where miners use computing and compete to solve mathematical puzzles. When a puzzle is solved, transaction data is validated and added to the network, and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Amilcar has 10 years of FinTech, blockchain, ...

With the rise of Bitcoin, corporate interest in the underlying blockchain technology has risen dramatically. Confusion arises, however, because much of the discussion centers on cryptocurrency, which ...

Do a Google Image search for Bitcoin. What you’ll see is a lack of imagination. Uniform stamped precious metal coins? That’s the opposite of what bitcoin is.You can’t flip a bitcoin. It has no heads ...

Blockchain has captured the imagination of intellectuals and polity alike with economists, technologists, governments raving about its potential and how its poised to fundamentally change the world.

In 2008, the blockchain concept was introduced by Satoshi Nakamoto in a whitepaper (pdf) as a core component to support transactions of Bitcoin. As the technology that powers cryptocurrencies like ...

Scott Nevil is an experienced writer and editor with a demonstrated history of publishing content for Investopedia. He goes in-depth to create informative and actionable content around monetary policy ...