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Most current blockchains require all full nodes to execute all tasks limits the throughput of existing blockchains, which are well documented and among the most significant hurdles for the widespread adoption of decentralized technology.…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-02-19 Alexander Hentschel , Yahya Hassanzadeh-Nazarabadi , Ramtin Seraj , Dieter Shirley , Layne Lafrance

The Internet of Things (IoT) connected by Software Defined Networking (SDN) promises to bring great benefits to cyber-physical systems. However, the increased attack surface offered by the growing number of connected vulnerable devices and…

Networking and Internet Architecture · Computer Science 2020-06-26 Jiejun Hu , Martin Reed , Mays Al-Naday , Nikolaos Thomos

Today, digital identity management for individuals is either inconvenient and error-prone or creates undesirable lock-in effects and violates privacy and security expectations. These shortcomings inhibit the digital transformation in…

Cryptography and Security · Computer Science 2023-11-06 Matthias Babel , Johannes Sedlmeir

Blockchains are gaining momentum due to the interest of industries and people in \emph{decentralized applications} (Dapps), particularly in those for trading assets through digital certificates secured on blockchain, called tokens. As a…

Cryptography and Security · Computer Science 2024-02-22 Giampaolo Bella , Domenico Cantone , Cristiano Longo , Marianna Nicolosi-Asmundo , Daniele Francesco Santamaria

Knowledge graphs (KGs), as a structured form of knowledge representation, have been widely applied in the real world. Recently, few-shot knowledge graph completion (FKGC), which aims to predict missing facts for unseen relations with…

Information Retrieval · Computer Science 2023-04-18 Linhao Luo , Yuan-Fang Li , Gholamreza Haffari , Shirui Pan

Ethereum's scalability limitations pose significant challenges for the adoption of decentralized applications (dApps). Zero-Knowledge Rollups (ZK Rollups) present a promising solution, bundling transactions off-chain and submitting validity…

Cryptography and Security · Computer Science 2025-06-03 Krzysztof Gogol , Szczepan Gurgul , Faizan Nehal Siddiqui , David Branes , Claudio Tessone

Many companies use identity information for different goals. There are a lot of marketplaces for identity information. These markets have some practical issues such as privacy, mutual trust and fairing exchange. The management of identity…

Cryptography and Security · Computer Science 2021-06-29 Mohsen Rahnamaei , Saeid Tousi Saeidi , Siavash Khorsandi , Mehdi Shajari

Watermarking has emerged as a promising solution for tracing and authenticating text generated by large language models (LLMs). A common approach to LLM watermarking is to construct a green/red token list and assign higher or lower…

Cryptography and Security · Computer Science 2025-10-27 Li An , Yujian Liu , Yepeng Liu , Yuheng Bu , Yang Zhang , Shiyu Chang

Modern blockchains increasingly consist of multiple clients that implement a single blockchain protocol. If there is a semantic mismatch between the protocol implementations, the blockchain can permanently split and introduce new attack…

Cryptography and Security · Computer Science 2025-01-22 Filip Drobnjakovic , Amir Kashapov , Matija Kupresanin , Bernhard Scholz , Pavle Subotic

We propose the Parity Flow formalism, a method for tracking the information flow in quantum circuits. This method adds labels to quantum circuit diagrams such that the action of Clifford gates can be understood as a recoding of quantum…

Zero-knowledge proofs (ZKPs) are computationally demanding to generate. Their importance for applications like ZK-Rollups has prompted some to outsource ZKP generation to a market of specialized provers. However, existing market designs…

Computer Science and Game Theory · Computer Science 2025-03-11 Wenhao Wang , Lulu Zhou , Aviv Yaish , Fan Zhang , Ben Fisch , Benjamin Livshits

In database applications involving sensitive data, the dual imperatives of data confidentiality and provable query processing are important. This paper introduces PoneglyphDB, a database system that leverages non-interactive zero-knowledge…

Databases · Computer Science 2024-11-25 Binbin Gu , Juncheng Fang , Faisal Nawab

Elliptic Curve Cryptography (ECC) is an attractive alternative to conventional public key cryptography, such as RSA. ECC is an ideal candidate for implementation on constrained devices where the major computational resources i.e. speed,…

Cryptography and Security · Computer Science 2015-03-19 Ioannis Chatzigiannakis , Apostolos Pyrgelis , Paul G. Spirakis , Yannis C. Stamatiou

Aggregate statistics play an important role in extracting meaningful insights from distributed data while preserving privacy. A growing number of application domains, such as healthcare, utilize these statistics in advancing research and…

Cryptography and Security · Computer Science 2024-03-25 Mohammed Alghazwi , Dewi Davies-Batista , Dimka Karastoyanova , Fatih Turkmen

Zero-Knowledge (ZK) rollups have become a popular solution for scaling blockchain systems, offering improved transaction throughput and reduced costs by aggregating Layer 2 transactions and submitting them as a single batch to a Layer 1…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-01-07 John Stephan , Matej Pavlovic , Antonio Locascio , Benjamin Livshits

Variational quantum algorithms have been introduced as a promising class of quantum-classical hybrid algorithms that can already be used with the noisy quantum computing hardware available today by employing parameterized quantum circuits.…

Quantum Physics · Physics 2023-02-10 Tom Peham , Lukas Burgholzer , Robert Wille

Zero-knowledge proof (ZKP) mixers are one of the most widely-used blockchain privacy solutions, operating on top of smart contract-enabled blockchains. We find that ZKP mixers are tightly intertwined with the growing number of Decentralized…

Cryptography and Security · Computer Science 2023-03-07 Zhipeng Wang , Stefanos Chaliasos , Kaihua Qin , Liyi Zhou , Lifeng Gao , Pascal Berrang , Ben Livshits , Arthur Gervais

This paper discusses distributed approaches for the solution of random convex programs (RCP). RCPs are convex optimization problems with a (usually large) number N of randomly extracted constraints; they arise in several applicative areas,…

Optimization and Control · Mathematics 2012-07-27 Luca Carlone , Vaibhav Srivastava , Francesco Bullo , Giuseppe Calafiore

In this paper, we introduce Rank-R1, a novel LLM-based reranker that performs reasoning over both the user query and candidate documents before performing the ranking task. Existing document reranking methods based on large language models…

Information Retrieval · Computer Science 2025-03-11 Shengyao Zhuang , Xueguang Ma , Bevan Koopman , Jimmy Lin , Guido Zuccon

Current cryptocurrencies, starting with Bitcoin, build a decentralized blockchain-based transaction ledger, maintained through proofs-of-work that also generate a monetary supply. Such decentralization has benefits, such as independence…

Cryptography and Security · Computer Science 2015-12-21 George Danezis , Sarah Meiklejohn