Research Theme: cryptography

We study financial contagion in Compound V2, a decentralized lending protocol deployed on the Ethereum blockchain. We explain how to construct the balance sheets of Compound's liquidity pools and use our methodology to characterize the financial network. Our analysis reveals that most users either borrow stablecoins or engage in liquidity...

We use microeconomic theory to describe the inner workings of Constant Function Market Makers (CFMMs). We show that standard results from consumer theory apply in this new context, endowing us with powerful tools to characterize the optimal design of CFMMs. We employ them to analyze the externalities that traders and...

We provide an overview of the academic literature on Automated Market Makers for Decentralized Exchanges. Our review puts an emphasis on contributions from researchers in economics and finance. We cover papers that study the optimal design of Automated Market Makers. Then we discuss models that leverage the insights from the...

The BlockSem seminar brings together academic and private researchers working on blockchain technologies. The seminar is multidisciplinary, hosting presenters from computer science, economics and finance...

Tokenomics, International Conference on Blockchain Economics, Security and Protocols is an international forum for theory, design, analysis, implementation and applications of blockchains and smart contracts. Original interdisciplinary works exploring the conjunction of economic concerns with distributed systems, networks and system security are particularly encouraged...

Hackathon organisé par la direction générale des Finances publiques (DGFiP), le Département d’Economie de l’Ecole Polytechnique, l’ENSAE et La Chaire Blockchain@Polytechnique sur le thème de la lutte contre la fraude fiscale sur les activités crypto. Les 1er et 2 décembre...

Tokenomics is an international forum for theory, design, analysis, implementation and applications of blockchains and smart contracts. The goal of the conference is to bring together economists, computer science researchers and practitioners working on blockchains in a unique program featuring outstanding invited talks and academic presentations...

Hanna Halaburda (New York University) Presenting “An Economic Model of Consensus on Distributed Ledgers“ Discussant: Cyril Monnet (University of Bern) Moderator: Thomas Moser (Swiss National...

This October HEC MBA Blockchain Club and Blockchain@X (Ecole Polytechnique) will collaborate for the first time to host a Web 3.0. TEZOS HACKATHON. During a...

On June 16 and 17 2022, the blockchain@X chair at Ecole Polytechnique organized a unique event in Paris: The Future.s of Money. Many experts and actors from the economic, financial, digital and research worlds gathered around conferences dealing with the future and the digitalisation of money, now accessible to all...