$BTC Bitcoin ($BTC) is the first and most famous cryptocurrency, launched in 2009 by an unknown person or group known as "Satoshi Nakamoto". Bitcoin is characterized as a decentralized currency that relies on blockchain technology to record transactions in a transparent and secure manner. No government or financial institution controls Bitcoin, allowing users to complete transactions directly without the need for intermediaries.

Over time, Bitcoin has become a symbol of investment and a safe haven for many investors, especially amidst economic fluctuations and inflation in some traditional currencies. It has also become an accepted means of payment in many companies around the world.

However, despite its benefits, Bitcoin faces significant challenges such as high price volatility and environmental issues due to the high energy consumption in mining operations. Additionally, governments in some countries continue to impose restrictions or bans on the use of Bitcoin due to concerns related to tax evasion and money laundering. Despite these challenges, Bitcoin continues to attract attention as an innovative financial future.