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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.5 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<meta name="description" content="your description goes here" />
<meta name="keywords" content="Tzvi" />
<meta name="author" content="Steven Goldfeder / Original design: Andreas Viklund - http://andreasviklund.com/" />
<link rel="stylesheet" type="text/css" href="basic-modular.css" />
<title>Steven Goldfeder</title>
</head>
<body>
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<div id="container">
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<div class="header">
<img src="resources/headshot.jpg" height="144" width="108" style="vertical-align:middle;float:right">
<h1>Steven Goldfeder</h1>
<p>Postdoctoral Researcher<br>
The Initiative For Cryptocurrencies & Contracts<br>
Cornell Tech<br>
2 West Loop<br>
New York, NY 10044<br>
</div>
<div class="headline">
<h1>About me</h1>
</div>
<div class="singlecontent">
<p align="justify">My name is Steven Goldfeder, and I am an <a href="https://www.initc3.org/">IC3</a> postdoc at <a href="https://tech.cornell.edu/">Cornell Tech</a>, where I am co-mentored by Professor <a href="https://www.arijuels.com/">Ari Juels</a> and Professor <a href="http://soc1024.ece.illinois.edu/">Andrew Miller</a>.</p>
<p align="justify">I received my PhD at <a href="http://www.princeton.edu/">Princeton University</a>, where I was fortunate to be advised by Professor <a href="http://randomwalker.info/">Arvind Narayanan</a>. At Princeton, I was a member of the <a href="https://security.cs.princeton.edu/">Security & Privacy Research Group</a>, a </span><span class="c0"><a href="https://citp.princeton.edu/people/students/#graduate">CITP Graduate Student Fellow</a>, and a <a href="http://www.nsfgrfp.org/">National Science Foundation Graduate Research Fellow</a>.</p>
<p align="justify">My research interests include cryptography, security, and privacy, particularly as they relate to decentralized digital currencies.</p>
<p>I can be reached at <a href="mailto:[email protected]">[email protected]</a></span><span>. </p>
</div>
<div class="headline">
<h1>Textbook</h1>
</div>
<div class="singlecontent">
<p>
<strong><a href="http://bitcoinbook.cs.princeton.edu/">Bitcoin and Cryptocurrency Technologies</a></strong>
<br>
Arvind Narayanan, Joseph Bonneau, Edward Felten, Andrew Miller, Steven Goldfeder.
<br>
Princeton University Press, 2016.
</p>
</div>
<div class="headline">
<h1>Publications</h1>
</div>
<div class="singlecontent">
<p>
<strong><a href="papers/USENIXblocksci.pdf">BlockSci: Design and applications of a blockchain analysis platform</a></strong>
<br>
Harry Kalodner, Malte Möser, Kevin Lee, Steven Goldfeder, Martin Plattner, Alishah Chator, Arvind Narayanan.
<br>
USENIX Security, 2020.
</p>
<p>
<strong><a href="https://eprint.iacr.org/2020/540.pdf">One Round Threshold ECDSA with Identifiable Abort</a></strong>
<br>
Rosario Gennaro, Steven Goldfeder.
<br>
Manuscript, 2020.
</p>
<p>
<strong><a href="https://eprint.iacr.org/2020/269.pdf">Order-Fairness for Byzantine Consensus</a></strong>
<br>
Mahimna Kelkar, Fan Zhang, Steven Goldfeder, Ari Juels.
<br>
CRYPTO, 2020.
</p>
<p>
<strong><a href="https://arxiv.org/pdf/1909.00938.pdf">DECO: Liberating Web Data Using Decentralized Oracles for TLS</a></strong>
<br>
Fan Zhang, Sai Krishna Deepak Maram, Harjasleen Malvai, Steven Goldfeder, Ari Juels.
<br>
ACM Conference on Computer and Communications Security (CCS), 2020.
</p>
<p>
<strong><a href="https://arxiv.org/pdf/1904.05234.pdf">Flash Boys 2.0: Frontrunning, Transaction Reordering, and Consensus Instability in Decentralized Exchanges
</a></strong>
<br>
Philip Daian, Steven Goldfeder, Tyler Kell, Yunqi Li, Xueyuan Zhao, Iddo Bentov, Lorenz Breidenbach, Ari Juels.
<br>
IEEE Security and Privacy (Oakland), 2020.
</p>
<p>
<strong><a href="https://eprint.iacr.org/2019/114.pdf">Fast Multiparty Threshold ECDSA with Fast Trustless Setup
</a></strong>
<br>
Rosario Gennaro, Steven Goldfeder.
<br>
ACM Conference on Computer and Communications Security (CCS), 2018.
</p>
<p>
<strong><a href="papers/Arbitrum-USENIX.pdf">Arbitrum: Scalable, private smart contracts</a></strong>
<br>
Harry Kalodner, Steven Goldfeder, Xiaoqi Chen, S. Matthew Weinberg, Edward W. Felten.
<br>
USENIX Security, 2018.
</p>
<p>
<strong><a href="https://eprint.iacr.org/2017/956.pdf">Threshold Cryptosystems From Threshold Fully Homomorphic Encryption</a></strong>
<br>
Dan Boneh, Rosario Gennaro, Steven Goldfeder, Aayush Jain, Sam Kim, Peter M. R. Rasmussen, Amit Sahai.
<br>
CRYPTO, 2018.
</p>
<p>
<strong><a href="https://arxiv.org/pdf/1708.04748.pdf">When the cookie meets the blockchain:
Privacy risks of web payments via cryptocurrencies</a></strong>
<br>
Steven Goldfeder, Harry Kalodner, Dillon Reisman, Arvind Narayanan.
<br>
Privacy Enhancing Technologies Symposium (PETS), 2018.
</p>
<p>
<strong><a href="https://arxiv.org/pdf/1709.02489.pdf">BlockSci: Design and applications of a blockchain analysis platform</a></strong>
<br>
Harry Kalodner, Steven Goldfeder, Alishah Chator, Malte Möser, Arvind Narayanan.
<br>
Manuscript, 2017.
<br>
<strong><a href="https://github.com/citp/Blocksci">[BlockSci code]</strong>
</p>
<p>
<strong><a href="papers/ZKCSP.pdf">Zero-Knowledge Contingent Payments Revisited: Attacks and Payments for Services</a></strong>
<br>
Matteo Campanelli, Rosario Gennaro, Steven Goldfeder, Luca Nizzardo.
<br>
ACM Conference on Computer and Communications Security (CCS), 2017.
<br>
<strong><a href="https://github.com/matteocam/pay-to-sudoku-attack">[Pay-to-sudoku attack code]</strong>
<strong><a href="https://github.com/matteocam/zkcsp-over-bitcoin">[ZKCSP code]</strong>
<strong><a href="projects/circuits/sha2circuit.html">[Boolean circuit for SHA-256]</strong>
</p>
<p>
<strong><a href="https://eprint.iacr.org/2017/279.pdf">Post-Quantum Zero-Knowledge and Signatures from Symmetric-Key Primitives</a></strong>
<br>
Melissa Chase, David Derler, Steven Goldfeder, Claudio Orlandi, Sebastian Ramacher, Christian Rechberger, Daniel Slamanig, Greg Zaverucha.
<br>
ACM Conference on Computer and Communications Security (CCS), 2017.
</p>
<p>
<strong>Using Level-1 Homomorphic Encryption To Improve Threshold DSA Signatures For Bitcoin Wallet Security</strong>
<br>
Dan Boneh, Rosario Gennaro, Steven Goldfeder.
<br>
Latincrypt, 2017.
</p>
<p>
<strong><a href="papers/escrow.pdf">Escrow protocols for cryptocurrencies: How to buy physical goods using Bitcoin</a></strong>
<br>
Steven Goldfeder, Joseph Bonneau, Rosario Gennaro, Arvind Narayanan.
<br>
Financial Cryptography and Data Security, 2017.
</p>
<p>
<strong><a href="papers/BGB17-IEEESB-proof_of_delay_ethereum.pdf">Proofs-of-delay and randomness beacons in Ethereum</a></strong>
<br>
Benedikt Buenz, Steven Goldfeder, Joseph Bonneau.
<br>
IEEE Security & Privacy on the Blockchain, 2017.
</p>
<p>
<strong><a href="https://eprint.iacr.org/2016/1110.pdf">Efficient Post-Quantum Zero-Knowledge and Signatures</a></strong>
<br>
Steven Goldfeder, Melissa Chase, Greg Zaverucha.
<br>
Manuscript, 2016.
<br>
<strong><a href="https://github.com/microsoft/picnic">[CODE]</strong>
</p>
<p>
<strong><a href="papers/WEIS_2016.pdf">Determining an Optimal Threshold on the Online Reserves of a Bitcoin Exchange</a></strong>
<br>
Samvit Jain, Edward Felten, Steven Goldfeder.
<br>
Workshop on the Economics of Information Security (WEIS), 2016.
</p>
<p>
<strong><a href="https://eprint.iacr.org/2016/013.pdf">Threshold-optimal DSA/ECDSA signatures and an application to Bitcoin wallet security</a></strong>
<br>
Rosario Gennaro, Steven Goldfeder, Arvind Narayanan.
<br>
Applied Cryptography and Network Security (ACNS), 2016.
<br>
<strong><a href="https://github.com/citp/ThresholdECDSA">[CODE]</strong>
</p>
<p>
<strong><a href="https://eprint.iacr.org/2015/1015.pdf">On Bitcoin as a public randomness source</a></strong>
<br>
Joseph Bonneau, Jeremy Clark, Steven Goldfeder.
<br>
Manuscript, 2015.
</p>
<p>
<strong><a href="papers/threshold_sigs.pdf">Securing Bitcoin wallets via a new DSA/ECDSA threshold signature scheme</a></strong>
<br>
Steven Goldfeder, Rosario Gennaro, Harry Kalodner, Joseph Bonneau, Edward W. Felten, Joshua A. Kroll, Arvind Narayanan.
<br>
Manuscript, 2015.
</p>
<p>
<strong><a href="papers/elastic.pdf">Elastic Ring Search for Ad Hoc Networks</a></strong>
<br>
Simon Shamoun, David Sarne, Steven Goldfeder.
<br>
MobiQuitous, 2013.
</p>
</div>
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