10 papers
The Anonymity Gap: Understanding Real Privacy in Shielded UTXO-based Protocols for DeFi
Hanze Guo, Stefanos Chaliasos, Yebo Feng +1
Shielded UTXO-based protocols are becoming a core form of privacy infrastructure for DeFi. Unlike mixers that organize privacy mainly around deposits and withdrawals, these protoco…
Resisting Manipulative Bots in Meme Coin Copy Trading: A Multi-Agent Approach with Chain-of-Thought Reasoning
Yichen Luo, Yebo Feng, Jiahua Xu +1
Copy trading has become the dominant entry strategy in meme coin markets. However, due to the market's extremely illiquid and volatile nature, the strategy exposes an exploitable a…
Crypto-asset Taxonomy for Investors and Regulators
Xiao Zhang, Juan Ignacio Ibañez, Jiahua Xu
Crypto-assets are a main segment of electronic markets, with growing trade volume and market share, yet there's no unified and comprehensive asset level taxonomy framework. This pa…
DLT-Corpus: A Large-Scale Text Collection for the Distributed Ledger Technology Domain
Walter Hernandez Cruz, Peter Devine, Nikhil Vadgama +2
We introduce DLT-Corpus, the largest domain-specific text collection for Distributed Ledger Technology (DLT) research to date: 2.98 billion tokens from 22.12 million documents span…
Decentralized Identity in Practice: Benchmarking Latency, Cost, and Privacy
Abylay Satybaldy, Kamil Tylinski, Jiahua Xu
Decentralized Identifiers (DIDs) are increasingly deployed on distributed ledgers, yet systematic cross-platform evidence on their operational behavior remains limited. We present…
Enshrined Proposer Builder Separation in the presence of Maximal Extractable Value
Yitian Wang, Yebo Feng, Yingjiu Li +1
In blockchain systems operating under the Proof-of-Stake (PoS) consensus mechanism, fairness in transaction processing is essential to preserving decentralization and maintaining u…
Hedge Funds on a Swamp: Analyzing Patterns, Vulnerabilities, and Defense Measures in Blockchain Bridges
Poupak Azad, Jiahua Xu, Yebo Feng +2
Blockchain bridges have become essential infrastructure for enabling interoperability across different blockchain networks, with more than $24B monthly bridge transaction volume. H…
\textsc{Perseus}: Tracing the Masterminds Behind Cryptocurrency Pump-and-Dump Schemes
Honglin Fu, Yebo Feng, Cong Wu +1
Masterminds are entities organizing, coordinating, and orchestrating cryptocurrency pump-and-dump schemes, a form of trade-based manipulation undermining market integrity and causi…
DynaShard: Secure and Adaptive Blockchain Sharding Protocol with Hybrid Consensus and Dynamic Shard Management
Ao Liu, Jing Chen, Kun He +6
Blockchain sharding has emerged as a promising solution to the scalability challenges in traditional blockchain systems by partitioning the network into smaller, manageable subsets…
SecPLF: Secure Protocols for Loanable Funds against Oracle Manipulation Attacks
Sanidhay Arora, Yingjiu Li, Yebo Feng +1
The evolving landscape of Decentralized Finance (DeFi) has raised critical security concerns, especially pertaining to Protocols for Loanable Funds (PLFs) and their dependency on p…