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The communication protocols and data transfer mechanisms employed by IoT devices in smart buildings and corresponding digital twin systems predominantly rely on centralized architectures. Such centralized systems are vulnerable to single…

Cryptography and Security · Computer Science 2026-04-21 Reachsak Ly , Alireza Shojaei

This paper introduces a novel architecture for a distributed ledger, commonly referred to as a "blockchain", which is organized in the form of directed acyclic graph (DAG) with UTXO transactions as vertices, rather than as a chain of…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-14 Evaldas Drasutis

Decentralization, in the form of mesh networking and blockchain, two promising technologies, is coming to the telecommunications industry. Mesh networking allows wider low cost Internet access with infrastructures built from routers…

Networking and Internet Architecture · Computer Science 2019-04-03 Aniruddh Rao Kabbinale , Emmanouil Dimogerontakis , Mennan Selimi , Anwaar Ali , Leandro Navarro , Arjuna Sathiaseelan , Jon Crowcroft

Retrieval-augmented generation (RAG) is an umbrella of different components, design decisions, and domain-specific adaptations to enhance the capabilities of large language models and counter their limitations regarding hallucination and…

Software Engineering · Computer Science 2024-10-14 Sebastian Simon , Alina Mailach , Johannes Dorn , Norbert Siegmund

The integration of Uncrewed Aerial Vehicles (UAVs) into low-altitude airspace has led authorities to adopt distributed Uncrewed Traffic Management (UTM) architectures that ensure interoperability and safety. Blockchain has been proposed as…

Networking and Internet Architecture · Computer Science 2025-11-20 Rodrigo Nunes , André Melo , Rafael Albarello , Reinaldo Gomes , Cesar Marcondes , Lourenço Pereira

Ride-hailing and ride-sharing applications have recently gained in popularity as a convenient alternative to traditional modes of travel. Current research into autonomous vehicles is accelerating rapidly and will soon become a critical…

Cryptography and Security · Computer Science 2019-10-08 Ryan Shivers , Mohammad Ashiqur Rahman , Hossain Shahriar

The maturing of blockchain technology leads to heterogeneity, where multiple solutions specialize in a particular use case. While the development of different blockchain networks shows great potential for blockchains, the isolated networks…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-02-01 Sara Ghaemi , Sara Rouhani , Rafael Belchior , Rui S. Cruz , Hamzeh Khazaei , Petr Musilek

Various start-up developers and academic researchers have investigated the usage of blockchain as a data storage medium due to the advantages offered by its tamper-proof and decentralized nature. However, there have not been many attempts…

Databases · Computer Science 2019-05-14 Mustafa Bal , Caitlin Ner

Interoperation for data sharing between permissioned blockchain networks relies on networks' abilities to independently authenticate requests and validate proofs accompanying the data; these typically contain digital signatures. This…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-07-16 Bishakh Chandra Ghosh , Venkatraman Ramakrishna , Chander Govindarajan , Dushyant Behl , Dileban Karunamoorthy , Ermyas Abebe , Sandip Chakraborty

Recently, mesh networking and blockchain are two of the hottest technologies in the telecommunications industry. Combining both can reformulate internet access and make connecting to the Internet not only easy, but affordable too.…

Networking and Internet Architecture · Computer Science 2018-04-03 Mennan Selimi , Aniruddh Rao Kabbinale , Anwaar Ali , Leandro Navarro , Arjuna Sathiaseelan

Storing big data directly on a blockchain poses a substantial burden due to the need to maintain a consistent ledger across all nodes. Numerous studies in decentralized storage systems have been conducted to tackle this particular…

Cryptography and Security · Computer Science 2024-10-01 Narges Dadkhah , Xuyang Ma , Katinka Wolter , Gerhard Wunder

This paper investigates how pricing schemes can achieve efficient allocations in blockchain systems featuring multiple transaction queues under a global capacity constraint. I model a capacity-constrained blockchain where users submit…

General Economics · Economics 2025-02-26 Abdoulaye Ndiaye

Today's blockchains suffer from low throughput and high latency, which impedes their widespread adoption of more complex applications like smart contracts. In this paper, we propose a novel paradigm for smart contract execution. It…

Cryptography and Security · Computer Science 2023-06-09 Jian Liu , Peilun Li , Raymond~Cheng , N. Asokan , Dawn Song

As enterprises embrace blockchain technology, many real-world applications have been developed and deployed using permissioned blockchain platforms (access to network is controlled and given to only nodes with known identities). Such…

Cryptography and Security · Computer Science 2021-12-07 Rashmi Agrawal , Ji Yang , Haris Javaid

The robust construction of the ledger data structure is an essential ingredient for the safe operation of a distributed ledger. While in traditional linear blockchain systems, permission to append to the structure is leader-based, in…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-05-03 Darcy Camargo , Andreas Penzkofer , Sebastian Müller , William Sanders

Agentic systems that chain reasoning, tool use, and synthesis into multi-step workflows are entering production, yet prevailing evaluation practices like end-to-end outcome checks and ad-hoc trace inspection systematically mask the…

Software Engineering · Computer Science 2026-04-28 Dongxin Guo , Jikun Wu , Siu Ming Yiu

Directed Acylic Graphs (DAGs) are emerging as an attractive alternative to traditional blockchain architectures for distributed ledger technology (DLT). In particular DAG ledgers with stochastic attachment mechanisms potentially offer many…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-11-13 Pietro Ferraro , Christopher King , Robert Shorten

The analysis of massive scientific data often happens in the form of workflows with interdependent tasks. When such a scientific workflow needs to be scheduled on a parallel or distributed system, one usually represents the workflow as a…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-31 Svetlana Kulagina , Anne Benoit , Henning Meyerhenke

Efficient Vehicle-to-Everything enabling cooperation and enhanced decision-making for autonomous vehicles is essential for optimized and safe traffic. Real-time decision-making based on vehicle sensor data, other traffic data, and…

Networking and Internet Architecture · Computer Science 2022-04-08 Huong Nguyen , Tri Nguyen , Teemu Leppänen , Juha Partala , Susanna Pirttikangas

Current blockchain approaches for business contracts are based on smart contracts, namely, software programs placed on a blockchain that are automatically executed to realize a contract. However, smart contracts lack flexibility and…

Multiagent Systems · Computer Science 2021-04-20 Samuel H. Christie , Amit K. Chopra , Munindar P. Singh