7 papers
The Price of Decentralization in Block Building
Burak Öz, Burak Ãz, Fei Wu +4
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 Ãz, 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…
Geographical Centralization Resilience in Ethereum's Block-Building Paradigms
Sen Yang, Burak Ãz, Fei Wu +1
Decentralization has an important geographic dimension that conventional metrics, such as stake distribution, often overlook. Validator location affects resilience to regional shoc…
Just-in-Time Resale in an Ahead-of-Time Auction for Faster Execution
Burak Ãz, Burak Öz, Christoph Schlegel +2
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…
The Free Option Problem of ePBS
Bruno Mazorra, Burak Ãz, Christoph Schlegel +1
Ethereum's upcoming Glamsterdam upgrade introduces EIP-7732 enshrined Proposer--Builder Separation (ePBS), which improves the block production pipeline by addressing trust and scal…
Cross-Chain Sealed-Bid Auctions Using Confidential Compute Blockchains
Jonas Gebele, Timm Mutzel, Burak Oez +1
Sealed-bid auctions ensure fair competition and efficient allocation but are often deployed on centralized infrastructure, enabling opaque manipulation. Public blockchains eliminat…