5 papers
A Retrospective Analysis of User Exposure to (Illicit) Cryptocurrency Mining on the Web
Ralph Holz, Diego Perino, Matteo Varvello +6
In late 2017, a sudden proliferation of malicious JavaScript was reported on the Web: browser-based mining exploited the CPU time of website visitors to mine the cryptocurrency Mon…
Non--homogeneity in free groups
Olga Kharlampovich, Christopher Natoli
We prove that non-abelian free groups of finite rank at least 3 or of countable rank are not -homogeneous. We answer three open questions from Kharlampovich, Myasnikov, an…
Deconstructing Blockchains: A Comprehensive Survey on Consensus, Membership and Structure
Christopher Natoli, Jiangshan Yu, Vincent Gramoli +1
It is no exaggeration to say that since the introduction of Bitcoin, blockchains have become a disruptive technology that has shaken the world. However, the rising popularity of th…
Evaluating the Red Belly Blockchain
Tyler Crain, Christopher Natoli, Vincent Gramoli
In this paper, we present the most extensive evaluation of blockchain system to date. To achieve scalability across servers in more than 10 countries located on 4 different contine…
The Blockchain Anomaly
Christopher Natoli, Vincent Gramoli
Most popular blockchain solutions, like Bitcoin, rely on proof-of-work, guaranteeing that the output of the consensus is agreed upon with high probability. However, this probabilit…