Ofir Dvir
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2026
SPIDER: Two Server Functionality for the Cost of Zero
The paper introduces SPIDER, a novel single-server Private Information Retrieval (PIR) scheme that achieves state-of-the-art communication complexity without requiring specialized server cooperation or APIs.
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cs.CRRecentMay 21, 2026
SPIDER: Two Server Functionality for the Cost of Zero
Ofir Dvir, Kali Hale, Javin Zipkin, Divyakant Agrawal +1 more
The paper introduces SPIDER, a novel single-server Private Information Retrieval (PIR) scheme that achieves state-of-the-art communication complexity without requiring specialized server cooperation o…
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