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What Is Bitcoin? Everything You Need to Know in 2026

Key Takeaways Bitcoin’s supply is limited to 21 million bitcoins. By comparison, fiat currencies like the USD grow in supply, decreasing their value. The Bitcoin blockchain serves as an immutable record of transactions. By contrast, traditional finance requires banks and financial institutions to track transactions accurately. Bitcoin’s value comes in part from its security. The Bitcoin network uses proof of work as both an incentive to keep the blockchain going and a disincentive for bad actors due to the cost involved with proof of work.

2026-07-17

What Is Bitcoin? Everything You Need to Know in 2026

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

How to Buy Bitcoin in Toronto: A Realistic Guide to Regulated Exchanges, Funding Costs, and Taxes

To buy bitcoin in Toronto, set up a wallet, choose a transparent on-ramp, verify your identity, test with a small purchase, and withdraw safely.

How to Buy Bitcoin in Washington State: A Practical Guide to DFI Rules, Licensed Exchanges, and Real Local Scams

To buy bitcoin in Washington State, first use a service open to local residents, verify identity, test with a small purchase, and check withdrawal rules.

How to Buy Bitcoin in Greece in 2026: MiCA-Licensed Exchanges, SEPA Funding, and the New Greek Tax Rules

To buy bitcoins in Greece, choose a transparent service, secure your account, set up a wallet, test with a small purchase, and keep records.

When Did El Salvador Buy Bitcoin? How to Verify It

El Salvador bought bitcoin during its push to adopt it as legal tender. Here’s how to verify the timeline and avoid misleading claims.

What a Bill to Establish a Bitcoin Reserve Really Means

A bill to establish a bitcoin reserve sets rules for holding BTC in public finance, covering custody, authority, disclosure, and risk.

How to Buy Bitcoin in Africa in 2026: Real Rules, Exchanges, and Payment Methods by Country

To buy bitcoin in Africa, first confirm your payment method and local rules, then use a trusted route, start small, and move coins to your own wallet.