Bitcoin is a digital currency that allows people to send and receive money over the internet without using a bank. It was introduced in 2009 by a person or group using the name Satoshi Nakamoto.

Bitcoin works on a technology called blockchain. A blockchain is a public digital record that stores all Bitcoin transactions securely and transparently. Thousands of computers around the world help maintain this system.

One important feature of Bitcoin is that it has a limited supply. Only 21 million bitcoins can ever exist. Because of this scarcity, many people consider Bitcoin to be similar to digital gold.

People use Bitcoin for different reasons:

Sending money internationally

Online payments

Investing and trading

Protecting wealth from inflation

Bitcoin has several advantages. Transactions can be fast, global, and do not require a middleman. However, Bitcoin prices can change quickly, making it a risky investment. Governments in different countries also have different rules about using cryptocurrencies.

Today, Bitcoin is the most well-known cryptocurrency in the world and has inspired the creation of thousands of other digital currencies.