What is cryptocurrency?
Updated: 2026-10-07 · MarketRadar Whale
Cryptocurrency is money that exists only digitally and is recorded on a network of computers (a blockchain) with no central bank.
Three things you need
- A wallet to hold it
- An exchange or decentralized exchange to buy it
- An understanding of price risk
Types
Bitcoin, Ethereum, stablecoins, memecoins and thousands more.
Risks
Violent swings, scams and lost keys.
See the live data yourself
Free ranking of the top 100 Hyperliquid whales with profit and account value, plus a Telegram bot to follow any wallet.
Live ranking Telegram botFrequently asked questions
Is cryptocurrency legal?
Rules differ by country; check your own country's rules.
Where do I start?
With learning and an amount small enough that losing it causes no harm.
Keep reading
- What is a blockchain?
- What is a stablecoin?
- Coin vs token: what is the difference?
- What is staking?
- What is DeFi?
- What is an NFT?
- What is a crypto airdrop?
- What is crypto mining?
- Money-flow signals
- Futures whale radar
Past results do not predict future results. This page is educational, not financial advice. — MarketRadar Whale