128 citations · 417 across the 26 of their papers we have counts for
7 papers · 1 filter
AMR:Autonomous Coin Mixer with Privacy Preserving Reward Distribution
Duc V. Le, Arthur Gervais
It is well known that users on open blockchains are tracked by an industry providing services to governments, law enforcement, secret services, and alike. While most blockchains do…
High-Frequency Trading on Decentralized On-Chain Exchanges
Liyi Zhou, Kaihua Qin, Christof Ferreira Torres +2
Decentralized exchanges (DEXs) allow parties to participate in financial markets while retaining full custody of their funds. However, the transparency of blockchain-based DEX in c…
Applying Private Information Retrieval to Lightweight Bitcoin Clients
Kaihua Qin, Henryk Hadass, Arthur Gervais +1
Lightweight Bitcoin clients execute a Simple Payment Verification (SPV) protocol to verify the validity of transactions related to a particular user. Currently, lightweight clients…
FileBounty: Fair Data Exchange
Simon Janin, Kaihua Qin, Akaki Mamageishvili +1
Digital contents are typically sold online through centralized and custodian marketplaces, which requires the trading partners to trust a central entity. We present FileBounty, a f…
ConFuzzius: A Data Dependency-Aware Hybrid Fuzzer for Smart Contracts
Christof Ferreira Torres, Antonio Ken Iannillo, Arthur Gervais +1
Smart contracts are Turing-complete programs that are executed across a blockchain. Unlike traditional programs, once deployed, they cannot be modified. As smart contracts carry mo…
Attacking the DeFi Ecosystem with Flash Loans for Fun and Profit
Kaihua Qin, Liyi Zhou, Benjamin Livshits +1
Credit allows a lender to loan out surplus capital to a borrower. In the traditional economy, credit bears the risk that the borrower may default on its debt, the lender hence requ…
The Decentralized Financial Crisis
Lewis Gudgeon, Daniel Perez, Dominik Harz +2
The Global Financial Crisis of 2008, caused by the accumulation of excessive financial risk, inspired Satoshi Nakamoto to create Bitcoin. Now, more than ten years later, Decentrali…