3 papers
cs.CE2026
Active Liquidity On Chain: Evidence from PropAMMs Across Chains
Ozan Solmaz, Lioba Heimbach, Jason Milionis
The liquidity providers of most typical automated market makers (AMMs) are passive and known to suffer from adverse selection. AMMs traditionally rely on trades executed on them to…
cs.CR2026
No Place to Hide: An Analysis on Protected Order Flow Sandwich Attacks
Lioba Heimbach, Ozan Solmaz, Burak Öz +1
Front-running has long plagued Ethereum's public mempool, earning it the nickname of a "dark forest", where predators lurk for profitable transactions. In response, Ethereum and ot…
cs.CE2025
Optimistic MEV in Ethereum Layer 2s: Why Blockspace Is Always in Demand
Ozan Solmaz, Lioba Heimbach, Yann Vonlanthen +1
Layer 2 rollups are rapidly absorbing DeFi activity, securing over $40 billion and accounting for nearly half of Ethereum's DEX volume by Q1 2025, yet their MEV dynamics remain und…