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In order to fully unlock the transformative power of distributed ledgers and blockchains, it is crucial to develop innovative consensus algorithms that can overcome the obstacles of security, scalability, and interoperability, which…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-10-16 Amirhossein Taherpour , Xiaodong Wang

The financial crime landscape is evolving along with the digitization in financial services. In this context, laws and regulations cannot efficiently cope with a fast-moving industry such as finance, which translates in late adoption of…

Cryptography and Security · Computer Science 2021-07-20 Lamprini Zarpala , Fran Casino

Modern blockchain systems are a fresh look at the paradigm of distributed computing, applied under assumptions of large-scale public networks. They can be used to store and share information without a trusted central party. There has been…

Databases · Computer Science 2018-03-19 Sara Cohen , Aviv Zohar

In the cryptographic currency Bitcoin, all transactions are recorded in the blockchain - a public, global, and immutable ledger. Because transactions are public, Bitcoin and its users employ obfuscation to maintain a degree of financial…

Computers and Society · Computer Science 2017-06-30 Arvind Narayanan , Malte Möser

Decentralized exchange markets leveraging blockchain have been proposed recently to provide open and equal access to traders, improve transparency and reduce systemic risk of centralized exchanges. However, they compromise on the privacy of…

Cryptography and Security · Computer Science 2021-12-21 Kavya Govindarajan , Dhinakaran Vinayagamurthy , Praveen Jayachandran , Chester Rebeiro

This research proposes a decentralized and cryptographically secure framework to address the most acute issues of privacy, data security, and protection in the ecosystem of medical insurance claim processing. The scope of this study focuses…

Cryptography and Security · Computer Science 2025-11-12 Diya Mamoria , Harshit Jain , Aswani Kumar Cherukuri

The telecommunications and financial services industries face substantial challenges in inter-operator settlement processes, characterized by extended reconciliation cycles, high transaction costs, and limited real-time transparency.…

Cryptography and Security · Computer Science 2025-12-12 Balakumar Ravindranath Kunthu , Ranganath Nagesh Taware , Sathish Krishna Anumula

Blockchain is a decentralized ledger used to securely exchange digital currency, perform deals and transactions efficient manner, each user of the network has access to the least copy of the encrypted ledger so that they can validate a new…

Cryptography and Security · Computer Science 2022-01-03 Bosubabu Sambana

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

A generalized distributed tool for mobility choice modelling is presented, where participants do not share personal raw data, while all computations are done locally. Participants use Blockchain based Smart Mobility Data-market (BSMD),…

Cryptography and Security · Computer Science 2019-08-13 David Lopez , Bilal Farooq

We present TransactionGPT (TGPT), a foundation model for consumer transaction data within one of the world's largest payment networks. TGPT is designed to understand and generate transaction trajectories while simultaneously supporting a…

To alleviate difficulties in writing smart contracts for distributed blockchain applications, as other research, we propose transformation of Business Process Model and Notation (BPMN) models into blockchain smart contracts. Unlike other…

Software Engineering · Computer Science 2025-06-02 Christian Gang Liu

The food supply chain has a number of challenges, including a lack of transparency and disengagement among stakeholders. By providing a transparent and traceable digital ledger of transactions and movements for all supply chain actors,…

Cryptography and Security · Computer Science 2023-05-23 Narayan Subramanian , Atharva Joshi , Daksh Bagga

The development of blockchain technology has significantly enhanced the security and transparency of personal information and transaction records. Concurrent with the advancement of blockchain technology and the emergence of the digital…

Cryptography and Security · Computer Science 2025-09-03 Zeng Zhang , Xiaoqi Li

The rise of smart contract systems such as Ethereum has resulted in a proliferation of blockchain-based decentralized applications including applications that store and manage a wide range of data. Current smart contracts are designed to be…

Cryptography and Security · Computer Science 2019-02-26 Chao Li , Balaji Palanisamy , Runhua Xu

Flexible resources in built environments are seen as a low-cost opportunity for delivering grid management services. Consequently, the centralised aggregator model, where the aggregator is used to bundle demand flexibility from flexible…

Cryptography and Security · Computer Science 2022-12-20 Samuel Karumba , Salil S. Kanhere , Raja Jurdak , Subbu Sethuvenkatraman

This research provides a critical analysis regarding the way blockchain is being implemented in the financial industry, highlighting its vital role in promoting green finance, guaranteeing compliance with regulations, improving supply chain…

Cryptography and Security · Computer Science 2024-12-18 Ishan Patwardhan , Sunil Mane , Nidhi Patel

Current blockchain technologies provide very limited interoperability. Restrictions with regards to asset transfers and data exchange between different blockchains reduce usability and comfort for users, and hinder novel developments within…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-05-16 Michael Borkowski , Marten Sigwart , Philipp Frauenthaler , Taneli Hukkinen , Stefan Schulte

Machine learning is critical for innovation and efficiency in financial markets, offering predictive models and data-driven decision-making. However, challenges such as missing data, lack of transparency, untimely updates, insecurity, and…

General Economics · Economics 2024-11-27 Jingfeng Chen , Wanlin Deng , Dangxing Chen , Luyao Zhang

The rapid evolution of blockchain technology has brought together stakeholders from fundamentally different backgrounds. The result is a diverse ecosystem, as exemplified by the development of a wide range of different blockchain protocols.…

Cryptography and Security · Computer Science 2021-07-20 Stefanos Leonardos , Daniel Reijsbergen , Georgios Piliouras