*Cryptocurrency* is a type of digital or virtual money that uses *cryptography* for security. It’s not physical like cash and usually operates *decentralized*, meaning it’s not controlled by any government or bank.
Key Features:
- *Digital only*: Exists online, no physical form.
- *Blockchain-based*: Transactions are recorded on a public digital ledger.
- *Decentralized*: Managed by networks of computers (called nodes), not a central authority.
- *Secure*: Uses encryption for safe, verified transactions.
Popular Cryptocurrencies:
- *Bitcoin (BTC)* – the first and most well-known.
- *Ethereum (ETH)* – used for smart contracts.
- *Binance Coin (BNB), Solana (SOL), XRP*, etc.
What it’s used for:
- Buying/selling goods or services (where accepted)
- Investment or trading
- Sending money internationally
- Decentralized finance (DeFi), NFTs, and more
Let me know if you want details on how it works or how to buy/use it.