4 papers
Timestamp Manipulation: Timestamp-based Nakamoto-style Blockchains are Vulnerable
Junjie Hu, Sisi Duan
Nakamoto consensus are the most widely adopted decentralized consensus mechanism in cryptocurrency systems. Since it was proposed in 2008, many studies have focused on analyzing it…
PROMFUZZ: Leveraging LLM-Driven and Bug-Oriented Composite Analysis for Detecting Functional Bugs in Smart Contracts
Xingshuang Lin, Qinge Xie, Binbin Zhao +6
Smart contracts are fundamental pillars of the blockchain, playing a crucial role in facilitating various business transactions. However, these smart contracts are vulnerable to ex…
XSema: A Novel Framework for Semantic Extraction of Cross-chain Transactions
Ziye Zheng, Jiajing Wu, Dan Lin +2
As the number of blockchain platforms continues to grow, the independence of these networks poses challenges for transferring assets and information across chains. Cross-chain brid…
BM-PAW: A Profitable Mining Attack in the PoW-based Blockchain System
Junjie Hu, Na Ruan
Mining attacks enable an adversary to procure a disproportionately large portion of mining rewards by deviating from honest mining practices within the PoW-based blockchain system.…