6 papers
Majorum: Ebb-and-Flow Consensus with Dynamic Quorums
Francesco D'Amato, Roberto Saltini, Thanh-Hai Tran +2
Dynamic availability is the ability of a consensus protocol to remain live despite honest participants going offline and later rejoining. A well-known limitation is that dynamicall…
Multiple Sides of 36 Coins: Measuring Peer-to-Peer Infrastructure Across Cryptocurrencies
Lucianna Kiffer, Lioba Heimbach, Dennis Trautwein +2
Blockchain technologies underpin an expanding ecosystem of decentralized applications, financial systems, and infrastructure. However, the fundamental networking layer that sustain…
Mangrove: Fast and Parallelizable State Replication for Blockchains
Anton Paramonov, Yann Vonlanthen, Quentin Kniep +2
Mangrove is a novel scaling approach to building blockchains with parallel smart contract support. Unlike in monolithic blockchains, where a single consensus mechanism determines a…
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…
Recommender Systems for Democracy: Toward Adversarial Robustness in Voting Advice Applications
Frédéric Berdoz, Dustin Brunner, Yann Vonlanthen +1
Voting advice applications (VAAs) help millions of voters understand which political parties or candidates best align with their views. This paper explores the potential risks thes…
Kudzu: Fast and Simple High-Throughput BFT
Victor Shoup, Jakub Sliwinski, Yann Vonlanthen
We present Kudzu, a high-throughput atomic broadcast protocol with an integrated fast path. Our contribution is based on the combination of two lines of work. Firstly, our protocol…