4 papers
The Price of Decentralization in Block Building
Burak Öz, Fei Wu, Luis Correia +3
Decentralized block building mechanisms replace the monopoly of a single proposer with multiple builders. However, their censorship-resistance and fair-access benefits depend not o…
To Wait or To Probe: Arbitrage Competition on High-Throughput Blockchains
Fei Wu, Burak Öz
Maximal Extractable Value (MEV) on high-throughput blockchains can be captured through targeted search, where bots identify opportunities off-chain and submit route-committed trans…
Just-in-Time Resale in an Ahead-of-Time Auction for Faster Execution
Burak Öz, Akaki Mamageishvili, Christoph Schlegel +1
We study Arbitrum's Timeboost auction, an ahead-of-time mechanism that sells a 200ms ordering advantage in an otherwise first-come, first-served transaction ordering policy. The ma…
Who Wins Ethereum Block Building Auctions and Why?
Burak Öz, Danning Sui, Thomas Thiery +1
The MEV-Boost block auction contributes approximately 90% of all Ethereum blocks. Between October 2023 and March 2024, only three builders produced 80% of them, highlighting the co…