1 code implementation • 18 Feb 2019 • Daniel Perez, Benjamin Livshits
In the last year we have seen a great deal of both academic and practical interest in the topic of vulnerabilities in smart contracts, particularly those developed for the Ethereum blockchain.
Cryptography and Security
no code implementations • 13 Jan 2020 • Paul J. Pritz, Daniel Perez, Kin K. Leung
To address the first challenge, we present a communication-efficient data collection mechanism.
1 code implementation • 5 Mar 2020 • Daniel Perez, Jiahua Xu, Benjamin Livshits
In particular, 96% of the transactions on EOSIO were triggered by the airdrop of a currently valueless token; on Tezos, 76% of throughput was used for maintaining consensus; and over 94% of transactions on XRPL carried no economic value.
Cryptography and Security
3 code implementations • 7 Mar 2020 • Sam M. Werner, Paul J. Pritz, Daniel Perez
In the Ethereum network, miners are incentivized to include transactions in a block depending on the gas price specified by the sender.
Distributed, Parallel, and Cluster Computing
1 code implementation • 11 Jun 2020 • Lewis Gudgeon, Sam M. Werner, Daniel Perez, William J. Knottenbelt
We coin the term *Protocols for Loanable Funds (PLFs)* to refer to protocols which establish distributed ledger-based markets for loanable funds.
1 code implementation • 28 Sep 2020 • Daniel Perez, Sam M. Werner, Jiahua Xu, Benjamin Livshits
We find that liquidators' efficiency has improved significantly over time, with currently over 70% of liquidable positions being immediately liquidated.
no code implementations • 1 Dec 2020 • Andres Carvallo, Denis Parra, Gabriel Rada, Daniel Perez, Juan Ignacio Vasquez, Camilo Vergara
The COVID-19 has brought about a significant challenge to the whole of humanity, but with a special burden upon the medical community.
no code implementations • 4 Dec 2020 • Daniel Perez
In this paper we give a metric construction of a tree which correctly identifies connected components of superlevel sets of $\mathbb{R}$-valued continuous functions $f$ on $X$ and show that it is possible to retrieve the $H_0$-persistent diagram from this tree.
Algebraic Topology Computational Geometry 55N31, 55M10, 62R40, 54C50
no code implementations • 17 Dec 2020 • Daniel Perez
This paper investigates the propreties of the persistence diagrams stemming from almost surely continuous random processes on $[0, t]$.
Probability Computational Geometry Algebraic Topology 60Jxx, 60J65, 55N35, 33B10, 42A20
no code implementations • 21 Jan 2021 • Sam M. Werner, Daniel Perez, Lewis Gudgeon, Ariah Klages-Mundt, Dominik Harz, William J. Knottenbelt
Decentralized Finance (DeFi), a blockchain powered peer-to-peer financial system, is mushrooming.
Cryptography and Security General Economics Economics
no code implementations • 23 Feb 2021 • Toshiko Matsui, Daniel Perez
In this paper, we use a variety of machine learning methods to quantify the extent to which economic and technological factors are predictive of the progression of Central Bank Digital Currencies (CBDC) within a country, using as our measure of this progression the CBDC project index (CBDCPI).
1 code implementation • 19 Feb 2023 • Jiahua Xu, Daniel Perez, Yebo Feng, Benjamin Livshits
In recent years, decentralized finance (DeFi) has experienced remarkable growth, with various protocols such as lending protocols and automated market makers (AMMs) emerging.