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Computational modeling of a complex system is limited by the parts of the system with the least information. While detailed models and high-resolution data may be available for parts of a system, abstract relationships are often necessary…

Methodology · Statistics 2024-06-19 Kara Bocan , Natasa Miskov-Zivanov

Bitcoin stands as a groundbreaking development in decentralized exchange throughout human history, enabling transactions without the need for intermediaries. By leveraging cryptographic proof mechanisms, Bitcoin eliminates the reliance on…

Cryptography and Security · Computer Science 2024-04-09 Han Song , Yihao Wei , Zhongche Qu , Weihan Wang

The execution of decentralized applications on blockchains is limited today by technical and organizational barriers, including scalability and the high complexity to specify execution correctly for developers as well as for domain experts…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-11-14 Felix Härer

In the era of advanced artificial intelligence, highlighted by large-scale generative models like GPT-4, ensuring the traceability, verifiability, and reproducibility of datasets throughout their lifecycle is paramount for research…

Software Engineering · Computer Science 2024-08-19 Yue Liu , Dawen Zhang , Boming Xia , Julia Anticev , Tunde Adebayo , Zhenchang Xing , Moses Machao

Blockchain, as a distributed ledger technology, becomes increasingly popular, especially for enabling valuable cryptocurrencies and smart contracts. However, the blockchain software systems inevitably have many bugs. Although bugs in smart…

Cryptography and Security · Computer Science 2023-02-22 Xiao Yi , Daoyuan Wu , Lingxiao Jiang , Yuzhou Fang , Kehuan Zhang , Wei Zhang

This paper introduces a blockchain-based insurance scheme that integrates parametric and collaborative elements. A pool of investors, referred to as surplus providers, locks funds in a smart contract, enabling blockchain users to underwrite…

Cryptography and Security · Computer Science 2026-01-14 Pierre-Olivier Goffard , Stéphane Loisel

As autonomous driving technology matures, end-to-end methodologies have emerged as a leading strategy, promising seamless integration from perception to control via deep learning. However, existing systems grapple with challenges such as…

Designing an efficient difficulty control algorithm is an essential problem in Proof-of-Work (PoW) based blockchains because the network hash rate is randomly changing. This paper proposes a general difficulty control algorithm and provides…

Cryptography and Security · Computer Science 2020-04-23 Shulai Zhang , Xiaoli Ma

We present a set of generalized quantum loop models which provably exhibit topologically stable ergodicity breaking. These results hold for both periodic and open boundary conditions, and derive from a one-form symmetry (notably not being…

Statistical Mechanics · Physics 2024-03-12 Charles Stahl , Rahul Nandkishore , Oliver Hart

Owing to the computational complexity of electronic structure algorithms running on classical digital computers, the range of molecular systems amenable to simulation remains tightly circumscribed even after many decades of work. Quantum…

Quantum Physics · Physics 2022-05-18 Alexis Ralli , Michael I. Williams , Peter V. Coveney

The CAP theorem says that no blockchain can be live under dynamic participation and safe under temporary network partitions. To resolve this availability-finality dilemma, we formulate a new class of flexible consensus protocols,…

Cryptography and Security · Computer Science 2021-02-05 Joachim Neu , Ertem Nusret Tas , David Tse

Public blockchains have spurred the growing popularity of decentralized transactions and smart contracts, but they exhibit limitations on the transaction throughput, storage, and computation. To avoid transaction gridlock, public…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-07-13 Nikolay Ivanov , Qiben Yan , Qingyang Wang

Blockchains and distributed ledger technology offer promising capabilities for supporting collaborative business processes across organizations. Typically, approaches in this field fall into two categories: either executing the entire…

Software Engineering · Computer Science 2023-12-13 Julius Köpke , Sebastian Trattnig

In a multi-modeling based approach, the system under development is described by several models that represent various perspectives and concerns. Obviously, these partial representations are less complex than the global model, but they need…

Software Engineering · Computer Science 2015-12-24 Youness Laghouaouta , Adil Anwar , Mahmoud Nassar

Ethereum, a leading blockchain platform, has revolutionized the digital economy by enabling decentralized transactions and the execution of smart contracts. Ethereum transactions form the backbone of its network, facilitating peer-to-peer…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-30 Dvir David Biton , Roy Friedman , Yaron Hay

Model-based testing (MBT) promises a scalable solution to testing large systems, if a model is available. Creating these models for large systems, however, has proven to be difficult. Composing larger models from smaller ones could solve…

Software Engineering · Computer Science 2023-11-16 Gijs van Cuyck , Lars van Arragon , Jan Tretmans

The automotive industry has seen an increased need for connectivity, both as a result of the advent of autonomous driving and the rise of connected cars and truck fleets. This shift has led to issues such as trusted coordination and a wider…

Cryptography and Security · Computer Science 2019-07-08 Parth Singhal , Siddharth Masih

Ethereum relies on a peer-to-peer overlay network to propagate information. The knowledge of Ethereum network topology holds the key to understanding Ethereum's security, availability, and user anonymity. From a measurement perspective, an…

Networking and Internet Architecture · Computer Science 2021-10-01 Kai Li , Yuzhe Tang , Jiaqi Chen , Yibo Wang , Xianghong Liu

In construction, BIM (Building Information Modeling) promises to increase quality of data and to provide a shared, uniform view to all parties. While BIM tools and exchange formats exist, the distribution and safeguarding of data is an…

Cryptography and Security · Computer Science 2021-05-18 Michael Kuperberg , Matthias Geipel

This paper presents Thinkey, an efficient, secure, infinitely scalable and decentralized blockchain architecture. It ensures system correctness and liveness by a multi-layer structure. In particular, the system is based on a double-chain…

Cryptography and Security · Computer Science 2019-04-11 Shan Chen , Weiguo Dai , Yuanxi Dai , Hao Fu , Yang Gao , Jianqi Guo , Haoqing He , Yuhong Liu