Fuzz testing (fuzzing) has witnessed its prosperity in detecting security flaws recently. It
generates a large number of test cases and monitors the executions for defects. Fuzzing has …

A smart contract is a computer program that allows users to automate their actions on the
blockchain platform. Given the significance of smart contracts in supporting important …

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

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 …

Blockchain smart contracts have given rise to a variety of interesting and compelling
applications and emerged as a revolutionary force for the Internet. Smart contracts from …

Unlike traditional software, smart contracts have the unique organization in which a
sequence of transactions shares persistent states. Unfortunately, such a characteristic …

Ethereum smart contracts are automated decentralized applications on the blockchain that
describe the terms of the agreement between buyers and sellers, reducing the need for …

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 …

Decentralized Finance (DeFi) is a blockchain-asset-enabled finance ecosystem with millions
of daily USD transaction volume, billions of locked up USD, as well as a plethora of newly …

With the wide application of Internet of Things and blockchain, research on smart contracts
has received increased attention, and security threat detection for smart contracts is one of …