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Layer Two Solution

Definition

A Layer Two solution is a secondary framework built atop an existing blockchain to enhance its performance. These protocols function as extensions to a primary blockchain, enabling faster and cheaper transactions by processing them off the main chain before finalizing them on the Layer 1 network. They are designed to alleviate congestion and improve the overall efficiency of decentralized applications without compromising the underlying security of the base layer. Common examples include optimistic rollups and zero-knowledge rollups, each employing distinct cryptographic techniques.