Ethereum ($ETH ), launched in 2015 by Vitalik Buterin and his co-founders, introduced the world’s first programmable blockchain—redefining what crypto networks could achieve. Instead of limiting blockchain activity to simple transactions, Ethereum opened the door to smart contracts, decentralized applications (dApps), and a rapidly expanding digital economy.
In 2022, Ethereum completed “The Merge,” transitioning from proof-of-work (PoW) to the more efficient proof-of-stake (PoS) consensus system. This upgrade significantly reduced energy consumption, improved network sustainability, and strengthened Ethereum’s position as the leading infrastructure for DeFi, NFTs, and next-generation Web3 platforms.
Today, the Ethereum ecosystem powers thousands of decentralized applications, including major DeFi protocols like Uniswap, Aave, and Curve, along with NFT marketplaces, blockchain gaming projects, and layer-2 scaling networks such as Arbitrum, Optimism, and Polygon. ETH functions both as a digital currency and the gas that fuels every smart contract execution, making it essential to the network’s operation.
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