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.,