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06/21/2023
Do you still need a manual smart contract audit?
We investigate the feasibility of employing large language models (LLMs)...
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06/15/2023
What Drives the (In)stability of a Stablecoin?
In May 2022, an apparent speculative attack, followed by market panic, l...
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05/29/2023
Blockchain Censorship
Permissionless blockchains promise to be resilient against censorship by...
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05/25/2023
Time to Bribe: Measuring Block Construction Market
With the emergence of Miner Extractable Value (MEV), block construction ...
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05/23/2023
Towards Automated Security Analysis of Smart Contracts based on Execution Property Graph
Identifying and mitigating vulnerabilities in smart contracts is crucial...
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04/25/2023
Blockchain Large Language Models
This paper presents a dynamic, real-time approach to detecting anomalous...
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04/06/2023
Smart Contract and DeFi Security: Insights from Tool Evaluations and Practitioner Surveys
The growth of the decentralized finance (DeFi) ecosystem built on blockc...
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03/31/2023
The Blockchain Imitation Game
The use of blockchains for automated and adversarial trading has become ...
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02/10/2023
Mitigating Decentralized Finance Liquidations with Reversible Call Options
Liquidations in Decentralized Finance (DeFi) are both a blessing and a c...
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08/27/2022
SoK: Decentralized Finance (DeFi) Incidents
Within just four years, the blockchain-based Decentralized Finance (DeFi...
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01/22/2022
On How Zero-Knowledge Proof Blockchain Mixers Improve, and Worsen User Privacy
One of the most prominent and widely-used blockchain privacy solutions a...
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12/13/2021
Proof of Steak
We introduce Proof-of-Steak (PoS) as a fundamental net-zero block genera...
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09/23/2021
Towards Private On-Chain Algorithmic Trading
While quantitative automation related to trading crypto-assets such as E...
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06/15/2021
CeFi vs. DeFi – Comparing Centralized to Decentralized Finance
To non-experts, the traditional Centralized Finance (CeFi) ecosystem may...
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06/14/2021
A2MM: Mitigating Frontrunning, Transaction Reordering and Consensus Instability in Decentralized Exchanges
The asset trading volume on blockchain-based exchanges (DEX) increased s...
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06/11/2021
An Empirical Study of DeFi Liquidations: Incentives, Risks, and Instabilities
Financial speculators often seek to increase their potential gains with ...
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03/03/2021
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...
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01/15/2021
The Eye of Horus: Spotting and Analyzing Attacks on Ethereum Smart Contracts
In recent years, Ethereum gained tremendously in popularity, growing fro...
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01/14/2021
Quantifying Blockchain Extractable Value: How dark is the forest?
Permissionless blockchains such as Bitcoin have excelled at financial se...
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10/02/2020
AMR:Autonomous Coin Mixer with Privacy Preserving Reward Distribution
It is well known that users on open blockchains are tracked by an indust...
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09/29/2020
High-Frequency Trading on Decentralized On-Chain Exchanges
Decentralized exchanges (DEXs) allow parties to participate in financial...
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08/26/2020
FileBounty: Fair Data Exchange
Digital contents are typically sold online through centralized and custo...
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08/26/2020
Applying Private Information Retrieval to Lightweight Bitcoin Clients
Lightweight Bitcoin clients execute a Simple Payment Verification (SPV) ...
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05/25/2020
Towards Smart Hybrid Fuzzing for Smart Contracts
Smart contracts are Turing-complete programs that are executed across a ...
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03/08/2020
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...
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02/19/2020
The Decentralized Financial Crisis: Attacking DeFi
The Global Financial Crisis of 2008, caused by excessive financial risk,...
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06/04/2018
