4 papers
Price of Censorship: Censorship Resistance and Throughput under Rational Concurrent Proposers
Aditya Saraf, Ioannis Kaklamanis, Giannis Kaklamanis +2
Censorship resistance is the defining advantage of blockchains over their centralized counterparts. Yet block proposers censor transactions for many reasons, from legal consequence…
Censorship-Resistant Sealed-Bid Auctions on Blockchains
Orestis Alpos, Lioba Heimbach, Kartik Nayak +1
Auctions are now central to blockchain markets, settling NFT sales, token launches, DeFi liquidations, and arbitrage opportunities. Each on-chain bid is a public transaction whose…
Perils of Parallelism: Transaction Fee Mechanisms under Execution Uncertainty
Sarisht Wadhwa, Aviv Yaish, Fan Zhang +1
Modern blockchains increasingly rely on parallel execution to improve throughput. We show several industry and academic transaction fee mechanisms (TFMs) struggle to simultaneously…
Differentially Private aggregate hints in mev-share
Jonathan Passerat-Palmbach, Sarisht Wadhwa
Flashbots recently released mev-share to empower users with control over the amount of information they share with searchers for extracting Maximal Extractable Value (MEV). Searche…