There are several types of cryptocurrency, including:
Bitcoin: The first and most well-known.
Altcoins: Alternatives to Bitcoin, such as Ethereum and Litecoin.
Stablecoins: Cryptocurrencies pegged to stable assets like the US dollar (e.g., Tether).
Tokens: Created on existing blockchains for specific use cases (e.g., utility tokens).
Privacy Coins: Focused on anonymity (e.g., Monero).