Ethereum is a Layer 1 blockchain that operates through a decentralized mechanism for tracking and updating state. Transactions flow through a network of nodes that verify and record each operation transparently. Gas serves as the pricing mechanism for computations performed on the network, ensuring efficient resource allocation. Smart contracts and ERC token standards provide Ethereum with its programmability, enabling the development of decentralized applications. Other Layer 1 blockchains approach these same challenges with different technical solutions.
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