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- research-articleSeptember 2024
AAA: A blockchain-based architecture for ethical, robust authenticated anonymity
GoodIT '24: Proceedings of the 2024 International Conference on Information Technology for Social GoodSeptember 2024, Page 1https://doi.org/10.1145/3677525.3678676In the past years, online anonymity has attracted strong criticism for its role in shielding online crimes such as cyberbullying, fake news, money laundering, and pedo-pornography. Yet, it also has historically strong supporters who emphasize the ...
- research-articleSeptember 2024
Commit-Chains Without Smart Contracts for Blockchain Applications in Local Communities
GoodIT '24: Proceedings of the 2024 International Conference on Information Technology for Social GoodSeptember 2024, Pages 216–224https://doi.org/10.1145/3677525.3678664Blockchain technology’s scalability is a major challenge that hampers its adoption and utility, particularly in resource-constrained local communities. In this paper, we present TokenCards 1, a novel commit-chain tailored to local communities.
Our Layer ...
- research-articleAugust 2024
Money Never Sleeps: Maximizing Liquidity Mining Yields in Decentralized Finance
KDD '24: Proceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and Data MiningAugust 2024, Pages 2248–2259https://doi.org/10.1145/3637528.3671942The popularity of decentralized finance has drawn attention to liquidity mining (LM). In LM, a user deposits her cryptocurrencies into liquidity pools to provide liquidity for exchanges and earn yields. Different liquidity pools offer varying yields and ...
- short-paperAugust 2024
Poster: Zero Trust Driven Architecture for Blockchain-Based Access Control Delegation
ACM SIGCOMM Posters and Demos '24: Proceedings of the ACM SIGCOMM 2024 Conference: Posters and DemosAugust 2024, Pages 48–50https://doi.org/10.1145/3672202.3673737Granting access and controlling access rights for online services is challenging in a highly dynamic and large-scale systems. In particular, the secure propagation of access right delegation is a major issue. Many proposals present access control issues ...
- research-articleJuly 2024
DistIN: Analysis and Validation of a Concept and Protocol for Distributed Identity Information Networks
ARES '24: Proceedings of the 19th International Conference on Availability, Reliability and SecurityJuly 2024, Article No.: 90, Pages 1–10https://doi.org/10.1145/3664476.3669930Identity management enables users to access services around the globe. The user information is managed in some sort of identity management system. With the proposed shift to self-sovereign identities, self-sovereign control is shifted to the individual ...
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- research-articleJuly 2024
Responsible Recommendation Services with Blockchain Empowered Asynchronous Federated Learning
ACM Transactions on Intelligent Systems and Technology (TIST), Volume 15, Issue 4Article No.: 78, Pages 1–24https://doi.org/10.1145/3633520Privacy and trust are highly demanding in practical recommendation engines. Although Federated Learning (FL) has significantly addressed privacy concerns, commercial operators are still worried about several technical challenges while bringing FL into ...
- research-articleJuly 2024JUST ACCEPTED
Data Deduplication Based on Content Locality of Transactions to Enhance Blockchain Scalability
ACM Transactions on Architecture and Code Optimization (TACO), Just Accepted https://doi.org/10.1145/3680547Blockchain is a promising infrastructure for the internet and digital economy, but it has serious scalability problems, i.e., long block synchronization time and high storage cost. Conventional coarse-grained data deduplication schemes (block or file ...
- research-articleJuly 2024
Decoding Web3: In-depth Analysis of the Third-Party Package Supply Chain
Internetware '24: Proceedings of the 15th Asia-Pacific Symposium on InternetwareJuly 2024, Pages 457–466https://doi.org/10.1145/3671016.3671402With the growth of the Web3 domain, there has been a significant rise of third-party software packages. These range from basic blockchain interaction tools and contract development aids to front-end development packages for Decentralized Applications (...
- research-articleJuly 2024
CABC: A Cross-Domain Authentication Method Combining Blockchain with Certificateless Signature for IIoT
Future Generation Computer Systems (FGCS), Volume 158, Issue CSep 2024, Pages 516–529https://doi.org/10.1016/j.future.2024.04.042Highlights- Addressing the problem that the certificateless signature algorithm has linearization loopholes and is vulnerable to forgery attacks, an improved certificateless signature scheme with elliptic curve cryptography is proposed, which is not ...
Device management in the Industrial Internet of Things (IIoT) is complex, especially in a cross-domain context. Trust identity authentication between cross-domain devices is required when devices work together. Existing identity authentication ...
- articleJuly 2024
Breakthrough Barriers to Knowledge Sharing Using Modern Technologies in Academic Libraries in South Africa
International Journal of Sociotechnology and Knowledge Development (IJSKD), Volume 16, Issue 1Apr 2024, Pages 1–19https://doi.org/10.4018/IJSKD.347380In an increasingly globalized and knowledge-based economy, this study aimed to investigate the adoption of modern technologies for effective knowledge sharing and enhancing knowledge access in academic libraries. The study was underpinned by the ...
- research-articleJuly 2024JUST ACCEPTED
Cross-Blockchain Communication Using Oracles With an Off-Chain Aggregation Mechanism Based on zk-SNARKs
Distributed Ledger Technologies: Research and Practice (DLT), Just Accepted https://doi.org/10.1145/3678187The closed architecture of prevailing blockchain systems renders the usage of this technology mostly infeasible for a wide range of real-world problems. Most blockchains trap users and applications in their isolated space without the possibility of ...
- ArticleJuly 2024
Towards Atomicity and Composability in Cross-Chain NFTs
Data and Applications Security and Privacy XXXVIIIJul 2024, Pages 92–100https://doi.org/10.1007/978-3-031-65172-4_6AbstractNon-Fungible Tokens (NFTs) have created new and interesting ways to own digital assets. Our work defines non-fungible tokens as a pair and addresses challenges in cross-chain NFT transfers, particularly on interoperability between siloed ...
- research-articleJuly 2024JUST ACCEPTED
Soulbound token applications. A case study in the health sector.
Distributed Ledger Technologies: Research and Practice (DLT), Just Accepted https://doi.org/10.1145/3674155This paper focuses on the concept of blockchain soulbound tokens, their potential applications, and their implementation in Ethereum-based blockchains. Soulbound tokens add an important piece to blockchain technology, as they could be the key to building ...
- research-articleJuly 2024
Ratel: MPC-extensions for Smart Contracts
- Yunqi Li,
- Kyle Soska,
- Zhen Huang,
- Sylvain Bellemare,
- Mikerah Quintyne-Collins,
- Lun Wang,
- Xiaoyuan Liu,
- Dawn Song,
- Andrew Miller
ASIA CCS '24: Proceedings of the 19th ACM Asia Conference on Computer and Communications SecurityJuly 2024, Pages 336–352https://doi.org/10.1145/3634737.3661142Enhancing privacy on smart contract-enabled blockchains has garnered much attention in recent research. Zero-knowledge proofs (ZKPs) is one of the most popular approaches, however, they fail to provide full expressiveness and fine-grained privacy. To ...
- research-articleJuly 2024
An Empirical Study of Consensus Protocols’ DoS Resilience
ASIA CCS '24: Proceedings of the 19th ACM Asia Conference on Computer and Communications SecurityJuly 2024, Pages 1345–1360https://doi.org/10.1145/3634737.3656997With the proliferation of blockchain technology in high-value sectors, consensus protocols are becoming critical infrastructures. The rapid innovation cycle in Byzantine fault tolerant (BFT) consensus protocols has culminated in HotStuff, which provides ...
- research-articleJuly 2024
SecPLF: Secure Protocols for Loanable Funds against Oracle Manipulation Attacks
ASIA CCS '24: Proceedings of the 19th ACM Asia Conference on Computer and Communications SecurityJuly 2024, Pages 1394–1405https://doi.org/10.1145/3634737.3637681The evolving landscape of Decentralized Finance (DeFi) has raised critical security concerns, especially pertaining to Protocols for Loanable Funds (PLFs) and their dependency on price oracles, which are susceptible to manipulation. The emergence of ...
- research-articleJuly 2024
BlindShuffler: Universal and Trustless Mixing for Confidential Transactions
ASIA CCS '24: Proceedings of the 19th ACM Asia Conference on Computer and Communications SecurityJuly 2024, Pages 1430–1446https://doi.org/10.1145/3634737.3637669Mixing services provide unlinkability for blockchains by breaking the link between sender/receiver identities and are highly appreciated for their compatibility with the underlying blockchains. Many efforts have been made to provide mixing services for ...
- research-articleJuly 2024
CapsuleFormer: A Capsule and Transformer combined model for Decentralized Application encrypted traffic classification
ASIA CCS '24: Proceedings of the 19th ACM Asia Conference on Computer and Communications SecurityJuly 2024, Pages 1418–1429https://doi.org/10.1145/3634737.3637664Network traffic classification plays a crucial role in both network management and monitoring. Recently, an increasing number of Decentralized Applications (DApps) are appearing on various blockchain platforms. DApps employ encryption techniques such as ...
- research-articleJune 2024JUST ACCEPTED
DeGONet: Decentralized Group-Oriented Interconnection Network for IoT-enabled Metaverse
As a transformative technology across various industries, the metaverse has emerged to connect the physical world with the virtual world. During this process, the Internet of Things (IoT) has played a critical role in achieving effective cyber-physical ...
- research-articleSeptember 2024
Composable Ledgers for Distributed Synchronic Web Archiving
JCDL '23: Proceedings of the 2023 ACM/IEEE Joint Conference on Digital LibrariesJune 2024, Pages 242–244https://doi.org/10.1109/JCDL57899.2023.00043The Synchronic Web is a highly scalable notary infrastructure that provides tamper-evident data provenance for historical web data. In this document, we describe the applicability of this infrastructure for web archiving across three envisioned stages of ...