Bit.Fan Crypto Academy

Learn Crypto with Bit.Fan Academy

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

cryptography

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

Cryptocurrency vs Cash: What is The Difference?

Summary: The Difference Between Crypto and Cash Cryptocurrencies, or digital currencies, can offer a hedge against inflation, although this isn’t always the case in the short term. Which cryptocurrency you choose can make a huge difference. Cryptocurrencies like Bitcoin or Ethereum, which have a maximum or limited supply, often provide the best store of value paired with broader acceptance. Cash has the advantage of nearly universal acceptance when transacting in the local currency. However, all traditional fiat currencies lose value, and sometimes quickly. As a benefit, cash offers the most privacy when using paper bills. Your activity can’t be tracked on the blockchain and is largely shielded from data aggregation.

2026-07-17
Cryptocurrency vs Cash: What is The Difference?

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
What is Cryptocurrency?

Are Bitcoins Physically Real? What You Actually Own

Bitcoins are not physical coins. What you own is control over blockchain funds through private keys, while physical items are usually souvenirs or key carriers.

Are Bitcoins Physically Real? What You Actually Own

Does Bitcoin Have a Physical Form?

Bitcoin has no official physical form. A bitcoin is a verifiable unit on the blockchain, controlled by private keys rather than a coin you can hold.

Does Bitcoin Have a Physical Form?

Where Was Bitcoin Originally Sold?

Bitcoin was not first sold through one official exchange. Early sales happened in tech communities and peer-to-peer trades before formal platforms appeared.

Where Was Bitcoin Originally Sold?

What Is Bitcoin in Layman's Terms?

Bitcoin is a digital currency and payment network that works without a single bank or company in charge. Here’s a plain-English explanation for beginners.

What Is Bitcoin in Layman's Terms?

Bitcoin Public Key Signature System Explained

Bitcoin’s public key signature system uses private keys to sign and public keys to verify. Learn the workflow, risks, and practical safety checks.

Bitcoin Public Key Signature System Explained