#btc/eth
### **1. What is Bitcoin?**
- A purely digital form of money that operates without a central bank or government.
- Created in **2009** by an anonymous person (or group) using the pseudonym **Satoshi Nakamoto**.
- Runs on a **peer-to-peer (P2P) network** secured by blockchain technology.
### **2. How Does Bitcoin Work?**
- **Blockchain:** A public ledger that records all Bitcoin transactions in "blocks" linked together.
- **Decentralized:** No single entity controls it—transactions are verified by a network of computers (miners).
- **Limited Supply:** Only **21 million BTC** will ever exist (about 19.7 million are already mined).
### **3. Key Features**
✔ **Decentralized** – No bank or government controls it.
✔ **Transparent** – All transactions are public (but pseudonymous).
✔ **Scarce** – Fixed supply makes it resistant to inflation.
✔ **Borderless** – Can be sent anywhere in the world without intermediaries.
### **4. How Do People Use Bitcoin?**
- **Store of value** (like digital gold).
- **Peer-to-peer payments** (without banks).
- **Trading & investment** (like stocks or commodities).
- **Hedge against inflation** (since supply is limited).
### **5. How to Get Bitcoin?**
- Buy on **exchanges** (e.g., Binance, Coinbase, Kraken).
- Earn via **mining** (but requires expensive hardware).
- Accept as **payment** for goods/services