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What is Cryptocurrency?

Disclosure: Crypto is a high-risk asset class. This article is provided for informational purposes and does not constitute investment advice. By using this website, you agree to our terms and conditions. We may utilise affiliate links within our content, and receive commission. You can read more about our editorial policy here. Cryptocurrency is a digital asset that functions as money, represents value, or performs a utility function on a blockchain. In this guide, we’ll explore the question, “What is cryptocurrency?” We’ll also discuss blockchains, how cryptocurrencies work, cryptocurrency exchanges, and how to use cryptocurrency. Let’s get started with some background first.

2026-07-17

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Yes, people are still mining Bitcoin. The process now relies on specialized hardware, mining pools, and tight control of power and operating costs.

What Is a Bitcoin Mining Rig?

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You can make a living mining bitcoins in some cases, but the result depends on power costs, hardware efficiency, uptime, and risk tolerance.

What Is Bitcoin’s Supply Limit?

Bitcoin’s supply limit is 21 million BTC. This guide explains how that cap works, why it matters, and what people often get wrong about it.