Altcoin refers to any cryptocurrency that is not Bitcoin. The term combines “alternative” and “coin,” highlighting cryptocurrencies introduced after Bitcoin as alternatives to it.Altcoins can serve various purposes. Some aim to improve upon Bitcoin’s technology, offering faster transaction speeds or enhanced security features. Others focus on specific use cases, such as smart contracts, privacy, or decentralized finance (DeFi). Popular altcoins include Ethereum, known for its smart contract capabilities, and Litecoin, which offers faster transaction times compared to Bitcoin. Each altcoin has its own unique attributes, making them appealing to different groups of users and investors.Investing in altcoins carries both opportunities and risks. While some altcoins may experience significant price increases, others might fail or become obsolete. Therefore, it is essential for investors to research individual altcoins thoroughly and understand their underlying technologies and market positions.