70 citations · 165 across the 5 of their papers we have counts for
8 papers · 1 filter
Auditing Blockchain Innovations: Technical Challenges Beyond Traditional Finance
Shayan Eskandari, Leid Zejnilovic, Jeremy Clark
Blockchain technology introduces asset types and custody mechanisms that fundamentally break traditional financial auditing paradigms. This paper presents an autoethnographic analy…
SoK: Oracles from the Ground Truth to Market Manipulation
Shayan Eskandari, Mehdi Salehi, Wanyun Catherine Gu +1
One fundamental limitation of blockchain-based smart contracts is that they execute in a closed environment. Thus, they only have access to data and functionality that is already o…
Resolving the Multiple Withdrawal Attack on ERC20 Tokens
Reza Rahimian, Shayan Eskandari, Jeremy Clark
Custom tokens are an integral component of decentralized applications (dapps) deployed on Ethereum and other blockchain platforms. For Ethereum, the ERC20 standard is a widely used…
SoK: Transparent Dishonesty: front-running attacks on Blockchain
Shayan Eskandari, Seyedehmahsa Moosavi, Jeremy Clark
We consider front-running to be a course of action where an entity benefits from prior access to privileged market information about upcoming transactions and trades. Front-running…
A first look at browser-based Cryptojacking
Shayan Eskandari, Andreas Leoutsarakos, Troy Mursch +1
In this paper, we examine the recent trend towards in-browser mining of cryptocurrencies; in particular, the mining of Monero through Coinhive and similar code- bases. In this mode…
On the Feasibility of Decentralized Derivatives Markets
Shayan Eskandari, Jeremy Clark, Vignesh Sundaresan +1
In this paper, we present Velocity, a decentralized market deployed on Ethereum for trading a custom type of derivative option. To enable the smart contract to work, we also implem…
A first look at the usability of bitcoin key management
Shayan Eskandari, Jeremy Clark, David Barrera +1
Bitcoin users are directly or indirectly forced to deal with public key cryptography, which has a number of security and usability challenges that differ from the password-based au…
Buy your coffee with bitcoin: Real-world deployment of a bitcoin point of sale terminal
Shayan Eskandari, Jeremy Clark, Abdelwahab Hamou-Lhadj
In this paper we discuss existing approaches for Bitcoin payments, as suitable for a small business for small-value transactions. We develop an evaluation framework utilizing secur…