Maximal Extractable Value
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Signals and Spoils: Speculative Oracle Extractable Value in the Era of Cross-Chain Interoperability
Announce Type: new Abstract: A new form of Maximal Extractable Value (MEV), termed speculative MEV, has emerged across Layer-2 blockchains. Unlike Ethereum mainnet, many Layer-2 systems lack a public mempool, forcing extraction strategies to become probabilistic: searchers emit multiple identical transactions hoping to capture an opportunity first. This generates substantial transaction spam, increasing fees and wasting block space.
A formal framework for the economic security of DeFi compositions
arXiv:2606.05418v1 Announce Type: new Abstract: Decentralized Finance (DeFi) services are usually constructed by composing a variety of smart contracts. While composability is a key driver of the success of DeFi, it also creates security risks: adversaries may exploit interactions between newly deployed contracts and the pre-existing ones to inflict economic losses. We introduce MEV non-interference, a formal security notion for DeFi composability requiring that the maximal extractable value...
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Tractable Shapley Values and Interactions via Tensor Networks
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Gene ancestries reveal diverse microbial associations during eukaryogenesis
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