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CeFi vs. DeFi – Comparing Centralized to Decentralized Finance
To non-experts, the traditional Centralized Finance (CeFi) ecosystem may...
06/15/2021 ∙ by Kaihua Qin, et al. ∙
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A2MM: Mitigating Frontrunning, Transaction Reordering and Consensus Instability in Decentralized Exchanges
The asset trading volume on blockchain-based exchanges (DEX) increased s...
06/14/2021 ∙ by Liyi Zhou, et al. ∙
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An Empirical Study of DeFi Liquidations: Incentives, Risks, and Instabilities
Financial speculators often seek to increase their potential gains with ...
06/11/2021 ∙ by Kaihua Qin, et al. ∙
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On the Just-In-Time Discovery of Profit-Generating Transactions in DeFi Protocols
In this paper, we investigate two methods that allow us to automatically...
03/03/2021 ∙ by Liyi Zhou, et al. ∙
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The Eye of Horus: Spotting and Analyzing Attacks on Ethereum Smart Contracts
In recent years, Ethereum gained tremendously in popularity, growing fro...
01/15/2021 ∙ by Christof Ferreira Torres, et al. ∙
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Quantifying Blockchain Extractable Value: How dark is the forest?
Permissionless blockchains such as Bitcoin have excelled at financial se...
01/14/2021 ∙ by Kaihua Qin, et al. ∙
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AMR:Autonomous Coin Mixer with Privacy Preserving Reward Distribution
It is well known that users on open blockchains are tracked by an indust...
10/02/2020 ∙ by Duc V. Le, et al. ∙
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High-Frequency Trading on Decentralized On-Chain Exchanges
Decentralized exchanges (DEXs) allow parties to participate in financial...
09/29/2020 ∙ by Liyi Zhou, et al. ∙
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FileBounty: Fair Data Exchange
Digital contents are typically sold online through centralized and custo...
08/26/2020 ∙ by Simon Janin, et al. ∙
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Applying Private Information Retrieval to Lightweight Bitcoin Clients
Lightweight Bitcoin clients execute a Simple Payment Verification (SPV) ...
08/26/2020 ∙ by Kaihua Qin, et al. ∙
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Towards Smart Hybrid Fuzzing for Smart Contracts
Smart contracts are Turing-complete programs that are executed across a ...
05/25/2020 ∙ by Christof Ferreira Torres, et al. ∙
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Attacking the DeFi Ecosystem with Flash Loans for Fun and Profit
Credit allows a lender to loan out surplus capital to a borrower. In the...
03/08/2020 ∙ by Kaihua Qin, et al. ∙
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The Decentralized Financial Crisis: Attacking DeFi
The Global Financial Crisis of 2008, caused by excessive financial risk,...
02/19/2020 ∙ by Lewis Gudgeon, et al. ∙
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Securify: Practical Security Analysis of Smart Contracts
Permissionless blockchains allow the execution of arbitrary programs (ca...
06/04/2018 ∙ by Petar Tsankov, et al. ∙
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