A Sequencer Role in blockchain architecture refers to a specific entity or set of entities responsible for ordering and batching transactions before they are submitted to the main chain for final settlement. This role is particularly prominent in layer-2 scaling solutions like rollups. Sequencers improve transaction throughput and reduce fees by efficiently organizing and compressing numerous transactions. They play a critical part in maintaining the integrity and performance of these scaling layers.
Context
The Sequencer Role is a frequent topic in news concerning blockchain scalability, layer-2 solutions, and decentralized application performance. Discussions often focus on the decentralization of sequencers, their economic incentives, and potential risks associated with their operation. Developments in this area are crucial for enhancing the speed and cost-efficiency of digital asset transactions.
This new layer decouples rollup execution from transaction ordering, using a BFT consensus to ensure fair, decentralized sequencing and atomic cross-chain state transitions.
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