The blockchain technology, initially created for cryptocurrency, has been re-purposed for
recording state transitions of smart contracts—decentralized applications that can be …

Abstract DeFi, or Decentralized Finance, is based on a distributed ledger called blockchain
technology. Using blockchain, DeFi may customize the execution of predetermined …

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 …

Exploitable bugs in smart contracts have caused significant monetary loss. Despite the
substantial advances in smart contract bug finding, exploitable bugs and real-world attacks …

As computer programs run on top of blockchain, smart contracts have proliferated a myriad
of decentralized applications while bringing security vulnerabilities, which may cause huge …

This paper presents a dynamic, real-time approach to detecting anomalous blockchain
transactions. The proposed tool, BlockGPT, generates tracing representations of blockchain …

Reproducibility is crucial to the advancement of science; it strengthens confidence in
seemingly contradictory results and expands the boundaries of known discoveries …

WebAssembly (Wasm) smart contracts have shown growing popularity across blockchains
(eg, EOSIO) recently. Similar to Ethereum smart contracts, Wasm smart contracts suffer from …

Smart contracts are software programs that enable diverse business activities on the
blockchain. Recent research has identified new classes of “machine un-auditable” bugs that …

Decentralized Finance (DeFi) is a new paradigm in the creation, distribution, and utilization
of financial services via the integration of blockchain technology. Our research conducts a …