Altcoins, short for “alternative coins,” refers to any cryptocurrency that is not Bitcoin. While Bitcoin is the most well-known and widely adopted cryptocurrency, there are now thousands of altcoins in existence, each with their own unique features and use cases.

Some altcoins aim to improve upon the limitations of Bitcoin, such as transaction speed, scalability, and privacy, while others focus on specific industries or applications, such as gaming, social media, or supply chain management.

Altcoins can be bought and sold on cryptocurrency exchanges, and like Bitcoin, they are stored in digital wallets. Some altcoins are more popular and widely adopted than others, with the most successful altcoins often having a strong community and development team behind them.

However, investing in altcoins can be risky, as many are subject to high volatility and may not have a proven track record of success. As with any investment, it’s important to do your own research and understand the risks before investing in any altcoin.