Bitcoin (ticker: BTC) is the world’s first decentralized digital currency, launched in January 2009. No government, bank, or corporation controls it.
Table of contents
What Is Bitcoin?
Created by the pseudonymous Satoshi Nakamoto, Bitcoin was proposed in a 2008 whitepaper and launched on January 3, 2009.
Core properties:
- Decentralized — no single controlling entity
- Scarce — hard cap of 21 million BTC forever
- Transparent — all transactions on the public blockchain
- Immutable — confirmed transactions cannot be reversed
How Does the Blockchain Work?
The blockchain is a shared public ledger maintained by thousands of computers:
- A transaction is broadcast to nodes worldwide
- Miners compete to bundle transactions into a block
- The winning block is permanently added to the chain
- Anyone can verify any transaction at any time
How to Buy Bitcoin
- Choose an exchange: Binance, Coinbase, Kraken
- Create an account and complete KYC
- Deposit USD/EUR via bank transfer or card
- Buy BTC on the trading interface
⚠️ Risk warning: Crypto is highly volatile. Never invest more than you can afford to lose.
Secure Storage
| Method | Security | Best For |
|---|---|---|
| Exchange wallet | ⭐⭐⭐ | Beginners, small amounts |
| Hardware wallet (Ledger) | ⭐⭐⭐⭐⭐ | Long-term HODLers |
| Software wallet | ⭐⭐⭐⭐ | Regular users |
Golden rule for seed phrases: write on paper, store offline, never photograph.
Bitcoin Halving
Every ~4 years, the block reward is cut in half. Most recent: April 2024, reward dropped from 6.25 to 3.125 BTC.
Summary
Bitcoin is the essential first step into the world of cryptocurrency. Understanding how it works is key to participating safely.
📚 Further reading: How to Register on Binance · Ledger Hardware Wallet Guide · What Is a Bitcoin ETF?
