Ethereum (ETH) was launched in July 2015 by Vitalik Buterin and a group of developers. It introduced smart contracts, allowing decentralized applications (dApps) to run on its blockchain. Ethereum's initial price was around $2.92, and it reached an all-time high of $4,786 in November 2021. Over the years, Ethereum has undergone major upgrades, including the transition to Ethereum 2.0, which replaced its proof-of-work system with proof-of-stake to improve scalability and energy efficiency.

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