Altcoin$ALT

Altcoin is an umbrella term for alternative cryptocurrencies beyond Bitcoin (BTC) and Ethereum (ETH).

Characteristics:

1. Decentralized

2. Open-source

3. Limited supply

4. Blockchain-based

5. Cryptographic security

Types of Altcoins:

1. Mineable Altcoins (e.g., Litecoin, Monero)

2. Pre-mined Altcoins (e.g.,