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Layer Two Architecture

Definition

Layer two architecture refers to a secondary framework or protocol built atop an existing blockchain, known as layer one, to enhance its scalability and transaction throughput. These solutions process transactions off the main chain, bundling them into a single transaction that is then settled on the primary blockchain. Examples include state channels, sidechains, and rollups, each employing different methods to achieve higher transaction volumes and lower fees. This approach alleviates congestion on the foundational network.