Learn Crypto with Bit.Fan Academy

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

double spending

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

Did Bitcoin’s Whitepaper Cite Bit Gold?

Bitcoin’s whitepaper did not directly cite Bit Gold, but Bit Gold is often discussed as part of the technical background behind Bitcoin.

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.

What’s the Point of Mining Bitcoins?

The point of mining bitcoins is to secure the network, confirm transactions, and issue new BTC by rules. Before joining, weigh hardware and power costs.

Is Bitcoin Mining Real? How It Actually Works

Bitcoin mining is real: miners use computing power to compete for block rewards, confirm transactions, and help secure the Bitcoin network.

How Bitcoin Transactions Are Verified

How are bitcoin transactions verified? Nodes check rules and signatures first, miners add valid transfers to blocks, and confirmations build after that.

Bitcoin History Explained: From White Paper to Halving

Bitcoin history starts with the 2008 white paper and the 2009 genesis block. This guide maps the key stages, shifts, and why they still matter.

How Bitcoins Are Found: What Mining Really Means

Bitcoins are not discovered like hidden files. They are issued through mining when a valid block is produced and accepted by the Bitcoin network.