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Today, several solutions for cross-blockchain asset transfers exist. However, these solutions are either tailored to specific assets or neglect finality guarantees that prevent assets from getting lost in transit. In this paper, we present…

Cryptography and Security · Computer Science 2021-10-12 Marten Sigwart , Philipp Frauenthaler , Christof Spanring , Michael Sober , Stefan Schulte

A myriad of authentication mechanisms embody a continuous evolution from verbal passwords in ancient times to contemporary multi-factor authentication. Nevertheless, digital asset heists and numerous identity theft cases illustrate the…

Cryptography and Security · Computer Science 2024-06-27 Marwa Mouallem , Ittay Eyal

In this letter we propose Meta-key, a data-sharing mechanism that enables users share their encrypted data under a blockchain-based decentralized storage architecture. All the data-encryption keys are encrypted by the owner's public key and…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-05-26 Dagang Li , Rong Du , Man Ho Au , Yue Fu

With the advent of decentralised digital currencies powered by blockchain technology, a new era of peer-to-peer transactions has commenced. The rapid growth of the cryptocurrency economy has led to increased use of transaction-enabling…

Cryptography and Security · Computer Science 2025-11-05 Yimika Erinle , Yathin Kethepalli , Yebo Feng , Jiahua Xu

Cloud computing is a term coined to a network that offers incredible processing power, a wide array of storage space and unbelievable speed of computation. Social media channels, corporate structures and individual consumers are all…

Cryptography and Security · Computer Science 2013-03-29 Debajyoti Mukhopadhyay , Gitesh Sonawane , Parth Sarthi Gupta , Sagar Bhavsar , Vibha Mittal

We present an identity management scheme built into the Bitcoin blockchain, allowing for identities that are as indelible as the blockchain itself. Moreover, we take advantage of Bitcoin's decentralized nature to facilitate a shared control…

Cryptography and Security · Computer Science 2017-10-06 Daniel Augot , Hervé Chabanne , Thomas Chenevier , William George , Laurent Lamber

Emerging high performance non-volatile memories recall the importance of efficient file system design. To avoid the virtual file system (VFS) and syscall overhead as in these kernel-based file systems, recent works deploy file systems…

Operating Systems · Computer Science 2019-08-29 Youmin Chen , Youyou Lu , Bohong Zhu , Jiwu Shu

A large amount of data and applications are migrated by researchers, stakeholders, academia, and business organizations to the cloud environment due to its large variety of services, which involve the least maintenance cost, maximum…

Cryptography and Security · Computer Science 2023-06-16 Rishabh Gupta , Deepika Saxena , Ashutosh Kumar Singh

Authentication with username and password is becoming an inconvenient process for the user. End users typically have little control over their personal privacy, and data breaches effecting millions of users have already happened several…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-09 Zoltán András Lux , Dirk Thatmann , Sebastian Zickau , Felix Beierle

Cryptocurrency is a novel exploration of a form of currency that proposes a decentralized electronic payment scheme based on blockchain technology and cryptographic theory. While cryptocurrency has the security characteristics of being…

Cryptography and Security · Computer Science 2025-03-31 Zekai Liu , Xiaoqi Li

This paper presents an architecture, based on Distributed Ledger Technologies (DLTs) and Decentralized File Storage (DFS) systems, to support the use of Personal Information Management Systems (PIMS). DLT and DFS are used to manage data…

Cryptography and Security · Computer Science 2020-07-08 Mirko Zichichi , Stefano Ferretti , Gabriele D'Angelo

Humanitarian organizations distribute aid to people affected by armed conflicts or natural disasters. Digitalization has the potential to increase the efficiency and fairness of aid-distribution systems, and recent work by Wang et al. has…

Cryptography and Security · Computer Science 2024-10-22 Eva Luvison , Sylvain Chatel , Justinas Sukaitis , Vincent Graf Narbel , Carmela Troncoso , Wouter Lueks

This paper introduces TeleBTC, a fully decentralized protocol designed to wrap Bitcoin (BTC) on programmable blockchains. The creation of a decentralized wrapped BTC presents challenges due to the non-programmable nature of Bitcoin, making…

Cryptography and Security · Computer Science 2023-07-27 Mahyar Daneshpajooh , Niusha Moshrefi , Mahdi Darabi , Sina Hashemi , Mehrafarin Kazemi

Blockchain has received a widespread attention because of its decentralized, tamper-proof, and transparent nature. Blockchain works over the principle of distributed, secured, and shared ledger, which is used to record, and track data…

Cryptography and Security · Computer Science 2020-04-21 Muneeb Ul Hassan , Mubashir Husain Rehmani , Jinjun Chen

Crypto-wallets or digital asset wallets are a crucial aspect of managing cryptocurrencies and other digital assets such as NFTs. However, these wallets are not immune to security threats, particularly from the growing risk of quantum…

Cryptography and Security · Computer Science 2023-08-30 Yathin Kethepalli , Rony Joseph , Sai Raja Vajrala , Jashwanth Vemula , Nenavath Srinivas Naik

With the emerging developments of the Metaverse, a virtual world where people can interact, socialize, play, and conduct their business, it has become critical to ensure that the underlying systems are transparent, secure, and trustworthy.…

Machine Learning · Computer Science 2023-06-21 Dev Gurung , Shiva Raj Pokhrel , Gang Li

Internet technologies have made a paradigm shift in the fields of computing and data science and one such paradigm defining change is the Internet of Things or IoT. Nowadays, thousands of household appliances use integrated smart devices…

Cryptography and Security · Computer Science 2020-11-25 Projjal Gupta

Cloud computing is recognized as one of the most promising solutions to information technology, e.g., for storing and sharing data in the web service which is sustained by a company or third party instead of storing data in a hard drive or…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-12-14 A. Roy , A. P. Misra , S. Banerjee

Decentralized Finance (DeFi) offers a whole new investment experience and has quickly emerged as an enticing alternative to Centralized Finance (CeFi). Rapidly growing market size and active users, however, have also made DeFi a lucrative…

Cryptography and Security · Computer Science 2024-06-25 Mingyi Liu , Jun Ho Huh , HyungSeok Han , Jaehyuk Lee , Jihae Ahn , Frank Li , Hyoungshick Kim , Taesoo Kim

Financial markets are undergoing an unprecedented transformation. Technological advances have brought major improvements to the operations of financial services. While these advances promote improved accessibility and convenience,…

Trading and Market Microstructure · Quantitative Finance 2023-12-05 Agostino Capponi , Garud Iyengar , Jay Sethuraman