Types of Digital Currencies
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There are many types of digital currencies, including:

1. **Bitcoin (BTC)**: The first and most well-known digital currency, launched in 2009.
2. **Ethereum (ETH)**: A decentralized platform that enables the creation of smart contracts and decentralized applications (dApps).
3. **Altcoins**: Alternative digital currencies that are not Bitcoin or Ethereum, such as Litecoin (LTC), Monero (XMR), and Dogecoin (DOGE).
4. **Tokens**: Digital assets issued on top of another blockchain, such as ERC-20 tokens on the Ethereum blockchain.

Advantages of Digital Currencies
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