What is Ethereum?
Updated: 2026-10-07 · MarketRadar Whale
Ethereum is a blockchain that can run programs (smart contracts) as well as move money. Its coin is ether (ETH).
What is a smart contract?
A program on the blockchain that enforces its rules automatically, with no middleman.
What is Ethereum used for?
- Tokens and stablecoins
- DeFi (lending and decentralized exchanges)
- NFTs
Fees (gas)
Every transaction costs a fee that rises and falls with network congestion.
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How is Ethereum different from Bitcoin?
Bitcoin is mainly a store of value; Ethereum is a platform for applications.
How is Ethereum secured?
Since 2022 it uses proof of stake (staking).
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