Guide
What Is Cryptocurrency? The Simplest Beginner's Guide
Bottom line: digital assets without a central controller
Cryptocurrency is digital money and assets managed by a technology called blockchain. Unlike yen or dollars issued by a central bank, no single company or country acts as the controller.
Key takeaways
Crypto lives on a blockchain, can be sent worldwide without a bank, and has many uses — investing, payments and apps. The best-known are Bitcoin and Ethereum.
What can you do with it?
- Send and receive value over the internet, without a bank in the middle
- Hold or invest (with significant price swings)
- Use apps — DeFi, NFTs and more
- Pay at some merchants and services
Crypto vs. regular money
| Aspect | Yen / dollars | Cryptocurrency |
|---|---|---|
| Issuer | Central bank | Network / protocol |
| Controller | State / banks | None (decentralized) |
| Transfer | Through banks | Directly over the internet |
| Price | Stable | Highly variable |
Freedom comes with responsibility
With no central controller, you are responsible for your own security. Understand the risks — volatility, hacking and scams — before you start.
FAQ
Where should I begin? Learn the basics first, then look at choosing an exchange and a wallet. If you're in Japan, see cryptocurrency in Japan.
Sources
- Bitcoin whitepaper: https://bitcoin.org/bitcoin.pdf
Not financial advice
This article is for information only and is not investment advice. Crypto assets are volatile and carry risks including hacking. Do your own research and only use money you can afford to lose.
This article is informational only and is not financial, investment, or trading advice. Prices are reference snapshots and may be outdated. Always do your own research.
