11 papers
Zigzag Codes Revisited: From Optimal Rebuilding to Small Skip Cost and Small Fields
Wenqin Zhang, Han Mao Kiah, Son Hoang Dau
We revisit zigzag array codes, a family of MDS codes known for achieving optimal access and optimal rebuilding ratio in single-node repair. In this work, we endow zigzag codes with…
Serial Scammers and Attack of the Clones: How Scammers Coordinate Multiple Rug Pulls on Decentralized Exchanges
Phuong Duy Huynh, Son Hoang Dau, Nicholas Huppert +5
We explored the ubiquitous phenomenon of serial scammers, each of whom deployed dozens to thousands of addresses to conduct a series of similar Rug Pulls on popular decentralized e…
From Programming Bugs to Multimillion-Dollar Scams: An Analysis of Trapdoor Tokens on Uniswap
Phuong Duy Huynh, Thisal De Silva, Son Hoang Dau +3
We investigate in this work a recently emerged type of scam ERC-20 token called Trapdoor, which has cost investors billions of US dollars on Uniswap, the largest decentralised exch…
Pairs in Nested Steiner Quadruple Systems
Yeow Meng Chee, Son Hoang Dau, Tuvi Etzion +2
Motivated by a repair problem for fractional repetition codes in distributed storage, each block of any Steiner quadruple system (SQS) of order is partitioned into two pairs. E…
Architecture for Protecting Data Privacy in Decentralized Social Networks
Quang Cao, Katerina Vgena, Aikaterini-Georgia Mavroeidi +3
Centralized social networks have experienced a transformative impact on our digital era communication, connection, and information-sharing information. However, it has also raised…
Improving the Accuracy of Transaction-Based Ponzi Detection on Ethereum
Phuong Duy Huynh, Son Hoang Dau, Xiaodong Li +2
The Ponzi scheme, an old-fashioned fraud, is now popular on the Ethereum blockchain, causing considerable financial losses to many crypto investors. A few Ponzi detection methods h…