PP-MCSA: Privacy Preserving Multi-Channel Double Spectrum Auction
Zhili Chen, Sheng Chen, Hong Zhong, Lin Chen, Miaomiao Tian

TL;DR
PP-MCSA is the first privacy-preserving mechanism for multi-channel double spectrum auctions, effectively protecting participant privacy while maintaining moderate overhead, thus enabling secure spectrum redistribution.
Contribution
It introduces PP-MCSA, the first solution to ensure privacy in multi-channel double spectrum auctions using garbled circuits.
Findings
PP-MCSA effectively protects seller requests and buyer bids.
The mechanism incurs moderate communication and computation overhead.
Theoretical privacy guarantees are established.
Abstract
Auction is widely regarded as an effective way in dynamic spectrum redistribution. Recently, considerable research efforts have been devoted to designing privacy-preserving spectrum auctions in a variety of auction settings. However, none of existing work has addressed the privacy issue in the most generic scenario, double spectrum auctions where each seller sells multiple channels and each buyer buys multiple channels. To fill this gap, in this paper we propose PP-MCSA, a Privacy Preserving mechanism for Multi-Channel double Spectrum Auctions. Technically, by leveraging garbled circuits, we manage to protect the privacy of both sellers' requests and buyers' bids in multi-channel double spectrum auctions. As far as we know, PP-MCSA is the first privacy-preserving solution for multi-channel double spectrum auctions. We further theoretically demonstrate the privacy guarantee of PP-MCSA,…
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Taxonomy
TopicsBlockchain Technology Applications and Security · Cryptography and Data Security · Auction Theory and Applications
