Definition ∞ A VOLE extension refers to a method for efficiently generating multiple Vector Oblivious Linear Evaluation instances from a smaller initial setup. This process expands a short, expensive VOLE protocol into a longer, more cost-effective sequence of VOLEs. It significantly reduces the overall computational overhead for cryptographic protocols requiring numerous oblivious linear evaluations. This technique enhances the practicality of secure multi-party computation.
Context ∞ VOLE extensions are critical for improving the efficiency of zero-knowledge proofs and secure multi-party computation protocols that are increasingly relevant in blockchain for privacy and scalability. By reducing the computational cost of oblivious linear evaluations, VOLE extensions facilitate the deployment of more complex privacy-preserving digital asset applications. Ongoing development aims to further optimize these extensions for greater speed and lower resource consumption.
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