What Is Ethereum?
Ethereum is a blockchain for smart contracts and apps — and the home of ERC20 tokens including USDT on Ethereum mainnet.
- 7 min read
- Updated 2026-06-15
More than a coin
Ether (ETH) pays for computation on Ethereum. Most DeFi and many stablecoin transfers on Ethereum use ERC20 — a token standard wallets like MetaMask understand.
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