5 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…
Blockspace Under Pressure: An Analysis of Spam MEV on High-Throughput Blockchains
Wenhao Wang, Aditya Saraf, Lioba Heimbach +2
On high-throughput, low-fee blockchains, a qualitatively new form of maximal extractable value (MEV) has emerged: searchers submit large volumes of speculative transactions, whose…
The CoinAlg Bind: Profitability-Fairness Tradeoffs in Collective Investment Algorithms
Andrés Fábrega, James Austgen, Samuel Breckenridge +5
Collective Investment Algorithms (CoinAlgs) are increasingly popular systems that deploy shared trading strategies for investor communities. Their goal is to democratize sophistica…
Timing Games in Responsive Consensus Protocols
Kaya Alpturer, Kushal Babel, Aditya Saraf
Optimistic responsiveness -- the ability of a consensus protocol to operate at the speed of the network -- is widely used in consensus protocol design to optimize latency and throu…
Fair Interest Rates Are Impossible for Lending Pools: Results from Options Pricing
Joe Halpern, Rafael Pass, Aditya Saraf
Cryptocurrency lending pools are services that allow lenders to pool together assets in one cryptocurrency and loan it out to borrowers who provide collateral worth more (than the…