Within just four years, the blockchain-based Decentralized Finance (DeFi) ecosystem has
accumulated a peak total value locked (TVL) of more than 253 billion USD. This surge in …

A transaction fee mechanism (TFM) is an essential component of a blockchain protocol.
However, a systematic evaluation of the real-world impact of TFMs is still absent. Using rich …

Large Language Models (LLMs) have emerged as powerful tools in various domains
involving blockchain security (BS). Several recent studies are exploring LLMs applied to BS …

Transaction fees compensate actors for resources expended on transactions and can only
be charged from transactions included in blocks. But, the expressiveness of Turing-complete …

Smart contracts are susceptible to exploitation due to their unique nature. Despite efforts to
identify vulnerabilities using fuzzing, symbolic execution, formal verification, and manual …

The decentralized finance (DeFi) ecosystem has proven to be popular in facilitating financial
operations, such as token exchange and lending. The public availability of DeFi platforms' …

We present a practical partitioning attack, which we call Gethlighting, that isolates an
Ethereum full node from the rest of the network for hours without having to occupy (or …

The ecosystem around blockchain and Decentralized Finance (DeFi) is seeing more and
more interest from centralized regulators. For instance, recently, the US government placed …

DEX, or decentralized exchange, is a prominent class of decentralized finance (DeFi)
applications on blockchains, attracting a total locked value worth tens of billions of USD …

Ethereum relies on a peer-to-peer overlay network to propagate information. The knowledge
of Ethereum network topology holds the key to understanding Ethereum's security …