Joshua A. Kroll

Publications29
h-index12
Citations1,738
Highly Influential Citations132
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SoK: Research Perspectives and Challenges for Bitcoin and Cryptocurrencies
TLDR
We provide the first systematic exposition Bit coin and the many related crypto currencies or 'altcoins.' Drawing from a scattered body of knowledge, we identify three key components of Bit coin's design that can be decoupled. Expand
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The Economics of Bitcoin Mining, or Bitcoin in the Presence of Adversaries
The Bitcoin digital currency depends for its correctness and stability on a combination of cryptography, distributed algorithms, and incentivedriven behavior. We examine Bitcoin as a consensus game… Expand
  • 416
  • 29
  • PDF
Mixcoin: Anonymity for Bitcoin with Accountable Mixes
TLDR
We propose Mixcoin, a protocol to facilitate anonymous payments in Bitcoin and similar cryptocurrencies. Expand
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  • PDF
Why buy when you can rent ? Bribery attacks on Bitcoin consensus
The Bitcoin cryptocurrency system relies on a novel distributed consensus mechanism relying on economic incentives. It is often argued that Bitcoin is “incentive-compatible” in simplified models;… Expand
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  • PDF
Securing Bitcoin wallets via threshold signatures
The Bitcoin ecosystem has suffered frequent thefts and losses affecting both businesses and individuals. The insider threat faced by a business is particularly serious. Due to the irreversibility,… Expand
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Network Hygiene, Incentives, and Regulation: Deployment of Source Address Validation in the Internet
TLDR
We show that routers performing Network Address Translation do not always filter spoofed packets, as 6.4% of IPv4/24 tested in the year ending August 2019 did not filter. Expand
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  • PDF
Portable Software Fault Isolation
TLDR
We present a new technique for architecture portable software fault isolation (SFI), together with a prototype implementation in the Coq proof assistant. Expand
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Trust But Verify: A Guide to Algorithms and the Law
TLDR
The call for algorithmic transparency as a way to manage the power of new data-driven decision-making techniques misunderstands the nature of the processes at issue and underlying technology. Expand
  • 29
  • 2
The fallacy of inscrutability
  • Joshua A. Kroll
  • Sociology, Medicine
  • Philosophical Transactions of the Royal Society A…
  • 28 November 2018
Contrary to the criticism that mysterious, unaccountable black-box software systems threaten to make the logic of critical decisions inscrutable, we argue that algorithms are fundamentally… Expand
  • 28
  • 1
On Decentralizing Prediction Markets and Order Books
We propose techniques for decentralizing prediction markets and order books, utilizing Bitcoin’s security model and consensus mechanism. Decentralization of prediction markets offers several key… Expand
  • 32
  • 1
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