Blockchain-based federated learning for industrial metaverses: Incentive scheme with optimal aoi

J Kang, D Ye, J Nie, J Xiao, X Deng… - 2022 IEEE …, 2022 - ieeexplore.ieee.org
The emerging industrial metaverses realize the map-ping and expanding operations of
physical industry into virtual space for significantly upgrading intelligent manufacturing. The …

Blockchain-empowered federated learning for healthcare metaverses: User-centric incentive mechanism with optimal data freshness

J Kang, J Wen, D Ye, B Lai, T Wu… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Given the revolutionary role of metaverses, healthcare metaverses are emerging as a
transformative force, creating intelligent healthcare systems that offer immersive and …

A study on the influence mechanism of CBDC on monetary policy: An analysis based on e-CNY

J Yang, G Zhou - Plos one, 2022 - journals.plos.org
This paper attempts to introduce central bank digital currency (CBDC) into the analysis
framework of monetary policy, and studies the influence mechanism of e-CNY, central bank …

Parbft: Faster asynchronous bft consensus with a parallel optimistic path

X Dai, B Zhang, H Jin, L Ren - Proceedings of the 2023 ACM SIGSAC …, 2023 - dl.acm.org
To reduce latency and communication overhead of asynchronous Byzantine Fault Tolerance
(BFT) consensus, an optimistic path is often added, with Ditto and BDT as state-of-the-art …

A brief history of blockchain interoperability

R Belchior, J Süßenguth, Q Feng, T Hardjono… - Authorea …, 2023 - techrxiv.org
Blockchain interoperability conflates the need for distributed systems to communicate with
third-party systems without the existence of a canonical chain or orchestration layer. As there …

Trebiz: Byzantine fault tolerance with byzantine merchants

X Dai, L Huang, J Xiao, Z Zhang, X Xie… - Proceedings of the 38th …, 2022 - dl.acm.org
The popularity of blockchain technology has revived interest in Byzantine Fault Tolerance
(BFT) consensus protocols. However, existing protocols suffer from high latency, especially …

Detecting arbitrage on ethereum through feature fusion and positive-unlabeled learning

H Jin, C Li, J Xiao, T Zhang, X Dai… - IEEE Journal on Selected …, 2022 - ieeexplore.ieee.org
Due to the lack of supervision in the decentralized exchanges (DEXs), arbitrageurs can
utilize information and take advantage of price gap to make profits over such platforms such …

Dispatcher: Resource-aware Nakamoto Blockchain via Hierarchical Topology and Adaptive Incentives

H Jin, S Dong, X Dai, Y Cai, J Xiao - Distributed Ledger Technologies …, 2023 - dl.acm.org
Mainstream blockchain systems such as Bitcoin and Ethereum are revolutionizing the
financial industry by adopting the Nakamoto consensus protocol, ie, Proof-of-Work (PoW) …

Systematic Analysis of Risk Associated with Supply Chain Operations Using Blockchain Technology

HU Khan, MZ Malik, S Khan - Wireless Communications and …, 2022 - Wiley Online Library
Advancements in information and communication technologies (ICT), big data analytics, and
artificial intelligence‐(AI‐) based techniques brought a dramatic revolution in diverse …

Gradeddag: An asynchronous dag-based bft consensus with lower latency

X Dai, Z Zhang, J Xiao, J Yue, X Xie… - 2023 42nd International …, 2023 - ieeexplore.ieee.org
To enable parallel processing, the Directed Acyclic Graph (DAG) structure is introduced to
the design of asyn-chronous Byzantine Fault Tolerant (BFT) consensus protocols, known as …