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cs.GT2026
Position Auctions with a Capacity Constraint
Eleni Batziou, Georgios Birmpas, Georgios Chionas +1
Sponsored search auctions are commonly modeled as an assignment of a fixed set of positions to a set of advertisers, with welfare maximization reducible to a standard matching prob…
cs.GT2025
Selling Privacy in Blockchain Transactions
Georgios Chionas, Olga Gorelkina, Piotr Krysta +1
We study methods to enhance statistical privacy in blockchain transactions. We analyze economic mechanisms for privacy-aware transaction owners whose utility depends not only on th…