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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

XRP vs Bitcoin: What’s the Difference?

XRP and Bitcoin are both cryptocurrencies, but they serve different roles, follow different supply rules, and are judged in different ways.

What Percentage of Bitcoin Does Strategy Own?

There is no single fixed answer to what percentage of bitcoin Strategy owns. The result depends on whether you use the 21 million cap or current circulating

When Did Bitcoin Ordinals Start? A Clear Timeline

Bitcoin Ordinals are generally traced to 2023. This timeline explains why that year matters and how Ordinals fit into Bitcoin’s older rules.

What Bitcoins Are Worth Money?

What bitcoins are worth money depends on control, transferability, liquidity, and risk. A BTC is valuable when you can actually move and sell it.

Can You Put a Bitcoin Wallet in Your IRA?

Usually not as your personal wallet. In an IRA, the real issue is custody, private key control, and whether the account structure allows bitcoin at all.

How Many Kinds of Bitcoins Are There?

Strictly speaking, there is only one native Bitcoin: BTC. People often mix in forked coins, wrapped versions, and lookalike tokens.