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Low-Degree Test

Definition

A low-degree test is a cryptographic primitive used to verify that a given set of data points represents a polynomial of a specific, low degree. This test is a fundamental component in certain zero-knowledge proof systems, ensuring the integrity of computations performed off-chain. By checking the polynomial degree, the test confirms that the data adheres to a predefined mathematical structure, which is crucial for proof validity. It helps maintain the correctness and security of complex computations in a verifiable manner.