Research on cryptocurrency exchanges, consisting of both centralized exchanges (CEXs)
and decentralized exchanges (DEXs), has seen a significant increase in contributions in …

Decentralized Finance, mushrooming in permissionless blockchains, has attracted a recent
surge in popularity. Due to the transparency of permissionless blockchains, opportunistic …

Decentralized finance (DeFi) enables crypto-asset holders to conduct complex financial
transactions, while maintaining control over their assets in the blockchain ecosystem …

Automated market makers (AMMs) are one of the most prominent decentralized finance
(DeFi) applications. AMMs allow users to trade different types of crypto-tokens, without the …

The Ethereum blockchain rapidly became the epicenter of a complex financial ecosystem,
powered by decentralized exchanges (DEXs). These exchanges form a diverse capital …

Maximal Extractable Value (MEV) refers to excess value captured by miners (or validators)
from users in a cryptocurrency network. This excess value often comes from reordering …

We introduce Lanturn: a general purpose adaptive learning-based framework for measuring
the cryptoeconomic security of composed decentralized-finance (DeFi) smart contracts …

Front-running is the malicious, and often illegal, act of both manipulating the order of
pending trades and injecting additional trades to make a profit at the cost of other users. In …

The incentive-compatibility properties of blockchain transaction fee mechanisms have been
investigated with passive block producers that are motivated purely by the net rewards …

While blockchain systems are quickly gaining popularity, front-running remains a major
obstacle to fair exchange. In this paper, we show how to apply identity-based encryption …