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Stablecoins face an unresolved trilemma of balancing decentralization, stability, and regulatory compliance. We present a hybrid stabilization protocol that combines crypto-collateralized reserves, algorithmic futures contracts, and…

Cryptography and Security · Computer Science 2025-06-09 Shengwei You , Andrey Kuehlkamp , Jarek Nabrzyski

We propose a simple yet robust unsupervised model to detect pump-and-dump events on tokens listed on the Poloniex Exchange platform. By combining threshold-based criteria with exponentially weighted moving averages (EWMA) and volatility…

Statistical Finance · Quantitative Finance 2025-03-13 Mahya Karbalaii

Humans possess an innate ability to group objects by similarity, a cognitive mechanism that clustering algorithms aim to emulate. Recent advances in community detection have enabled the discovery of configurations -- valid hierarchical…

Machine Learning · Computer Science 2025-10-23 Juntang Wang , Hao Wu , Runkun Guo , Yihan Wang , Dongmian Zou , Shixin Xu

We introduce Private Collection Matching (PCM) problems, in which a client aims to determine whether a collection of sets owned by a server matches their interests. Existing privacy-preserving cryptographic primitives cannot solve PCM…

Cryptography and Security · Computer Science 2022-12-15 Kasra EdalatNejad , Mathilde Raynal , Wouter Lueks , Carmela Troncoso

Distributed ledger technologies (DLTs) rely on distributed consensus mechanisms to reach agreement over the order of transactions and to provide immutability and availability of transaction data. Distributed consensus suffers from…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-01 Matteo Bjornsson , Taylor Hardin , Taylor Heinecke , Marcin Furtak , David L. Millman , Mike P. Wittie

Blockchain-based sensor networks offer promising solutions for secure and transparent data management in IoT ecosystems. However, efficient set membership proofs remain a critical challenge, particularly in resource-constrained…

Cryptography and Security · Computer Science 2026-04-13 Oleksandr Kuznetsov , Emanuele Frontoni , Marco Arnesano , Kateryna Kuznetsova

We study the notion of zero-knowledge secure against quantum polynomial-time verifiers (referred to as quantum zero-knowledge) in the concurrent composition setting. Despite being extensively studied in the classical setting, concurrent…

Quantum Physics · Physics 2021-07-20 Prabhanjan Ananth , Kai-Min Chung , Rolando L. La Placa

USDT, a stablecoin pegged to dollar, has become a preferred choice for money laundering due to its stability, anonymity, and ease of use. Notably, a new form of money laundering on stablecoins -- we refer to as crowdsourcing laundering --…

Cryptography and Security · Computer Science 2025-12-03 Guang Li , Litong Sun , Jieying Zhou , Weigang Wu

Secret sharing schemes based on the idea of hidden multipliers in encryption are proposed. As a platform, one can use both multiplicative groups of finite fields and groups of invertible elements of commutative rings, in particular,…

Cryptography and Security · Computer Science 2021-08-17 Vitaly Roman'kov

Permissioned Blockchain has become quite popular with enterprises forming consortium since it prioritizes trust over privacy. One of the popular platforms for distributed ledger solution, Hyperledger Fabric, requires a transaction to be…

Cryptography and Security · Computer Science 2019-06-06 Subhra Mazumdar , Sushmita Ruj

This paper formalizes the proves the security of the Bridgeless protocol, a protocol able to bridge tokens between various chains. The Bridgeless protocol is run by a set of validators, responsible for verifying deposit transactions on the…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-25 Orestis Alpos , Oleg Fomenko , Dimitris Karakostas , Oleksandr Kurbatov , Andrey Sabelnikov

We review probabilistic models known as majority dynamics (also known as threshold Voter Models) and discuss their possible applications for achieving consensus in cryptocurrency systems. In particular, we show that using this approach…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-09-13 Serguei Popov , Sebastian Müller

For centuries, financial institutions have responded to liquidity challenges by forming closed, centralized clearing clubs with strict rules and membership that allow them to collaborate on using the least money to discharge the most debt.…

Computational Engineering, Finance, and Science · Computer Science 2025-07-31 Ethan Buchman , Paolo Dini , Shoaib Ahmed , Andrew Miller , Tomaž Fleischman

In many typical application scenarios, it is necessary to revoke the incorrect account operations caused by user mis-operation, financial fraud, illegal hacking, etc. Unfortunately, users often blur the lines between the concept of…

Cryptography and Security · Computer Science 2020-01-31 Victor Gates

MIX has recently been proposed as a new sensor scheme with better energy management for data-gathering in Wireless Sensor Networks. However, it is not known how it performs when some of the sensors carry out sinkhole attacks. In this paper,…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Olivier Powell , Luminita Moraru , Jean-Marc Seigneur

The observable behavior of a system usually carries useful information about its internal state, properties, and potential future behaviors. In this paper, we introduce configuration monitoring to determine an unknown configuration of a…

Formal Languages and Automata Theory · Computer Science 2024-09-02 Maximilian A. Köhl , Clemens Dubslaff , Holger Hermanns

Since the concern of privacy leakage extremely discourages user participation in sharing data, federated learning has gradually become a promising technique for both academia and industry for achieving collaborative learning without leaking…

Cryptography and Security · Computer Science 2023-04-25 Zhibo Xing , Zijian Zhang , Meng Li , Jiamou Liu , Liehuang Zhu , Giovanni Russello , Muhammad Rizwan Asghar

Blind deconvolution and demixing is the problem of reconstructing convolved signals and kernels from the sum of their convolutions. This problem arises in many applications, such as blind MIMO. This work presents a separable approach to…

Signal Processing · Electrical Eng. & Systems 2021-04-21 Dana Weitzner , Raja Giryes

Zero-knowledge proof (ZKP) frameworks have the potential to revolutionize the handling of sensitive data in various domains. However, deploying ZKP frameworks with real-world data presents several challenges, including scalability,…

Cryptography and Security · Computer Science 2023-07-14 Piergiuseppe Mallozzi

Blockchain technology enables stakeholders to conduct trusted data sharing and exchange without a trusted centralized institution. These features make blockchain applications attractive to enhance trustworthiness in very different contexts.…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-07-18 Xiaohui Zhang , Mingying Xue , Xianghua Miao