Learn Crypto with Bit.Fan Academy

From beginner to advanced — master exchanges, wallets and blockchain essentials

proof%20of%20work

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

Is Bitcoin Unethical? A Clear Way to Judge It

Is Bitcoin unethical? There is no single answer. The case turns on energy use, financial freedom, crime risk, and how people actually use it.

Can Bitcoin Be Staked? What “BTC Staking” Really Means

Can Bitcoin be staked? Not natively. Most “BTC staking” offers are custodial yield, lending, or wrapped-Bitcoin products on other chains.

The Origin of Bitcoin: Why It Began in 2008

The origin of Bitcoin starts with Satoshi Nakamoto’s 2008 white paper and the 2009 genesis block, built to solve trust in digital cash.

Does Bitcoin Offer Native Yield or Staking?

Bitcoin does not offer native staking yield. Most BTC yield products rely on lending, custody, or wrapped structures beyond the Bitcoin base layer.

Is Bitcoin Mining Still a Thing?

Bitcoin mining is still very real, but it has become a professional business. Here’s how it works, how people join, and what costs matter.

Is Solo Bitcoin Mining Worth It? Key Factors to Check

Is solo bitcoin mining worth it? Usually only if you accept long dry spells, operational risk, and highly uneven outcomes.