75 citations · 246 across the 26 of their papers we have counts for
7 papers · 1 filter
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…
Transaction Fee Mechanism Design for Leaderless Blockchain Protocols
Pranav Garimidi, Lioba Heimbach, Tim Roughgarden
We initiate the study of transaction fee mechanism design for blockchain protocols in which multiple block producers contribute to the production of each block. Our contributions i…
Transaction Fee Market Design for Parallel Execution
Bahar Acilan, Andrei Constantinescu, Lioba Heimbach +1
Given the low throughput of blockchains like Bitcoin and Ethereum, scalability - the ability to process an increasing number of transactions - has become a central focus of blockch…
The Potential of Self-Regulation for Front-Running Prevention on DEXes
Lioba Heimbach, Eric Schertenleib, Roger Wattenhofer
The transaction ordering dependency of the smart contracts building decentralized exchanges (DEXes) allow for predatory trading strategies. In particular, front-running attacks pre…
Base Fee Manipulation In Ethereum's EIP-1559 Transaction Fee Mechanism
Sarah Azouvi, Guy Goren, Lioba Heimbach +1
In 2021 Ethereum adjusted the transaction pricing mechanism by implementing EIP-1559, which introduces the base fee - a network fee that is burned and dynamically adjusts to the ne…
Eliminating Sandwich Attacks with the Help of Game Theory
Lioba Heimbach, Roger Wattenhofer
Predatory trading bots lurking in Ethereum's mempool present invisible taxation of traders on automated market makers (AMMs). AMM traders specify a slippage tolerance to indicate t…
Ride the Lightning: The Game Theory of Payment Channels
Zeta Avarikioti, Lioba Heimbach, Yuyi Wang +1
Payment channels were introduced to solve various eminent cryptocurrency scalability issues. Multiple payment channels build a network on top of a blockchain, the so-called layer 2…