Definition ∞ An Execution Layer Upgrade refers to a technical enhancement or modification applied to the part of a blockchain protocol responsible for processing transactions and smart contract logic. These upgrades aim to improve the network’s performance, security, and overall functionality. They directly affect how transactions are handled.
Context ∞ For major blockchain networks, execution layer upgrades are critical milestones that significantly impact transaction throughput, fee structures, and the experience for developers and users. News surrounding these upgrades often details their potential to resolve scalability issues and enhance the utility of the blockchain. These developments are key indicators of a network’s ongoing evolution and capacity.
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