To promote the application of edge com-puting in wireless blockchain networks,this paper presents a business ecosystem,where edge comput-ing is introduced to assist blockchain users in imple-menting the mining process...To promote the application of edge com-puting in wireless blockchain networks,this paper presents a business ecosystem,where edge comput-ing is introduced to assist blockchain users in imple-menting the mining process.This paper exploits re-source trading and miner competition to enable se-cure and efficient transactions in the presented busi-ness ecosystem.The resource trading problem is for-mulated as a Stackelberg game between miner candi-dates and edge computing servers,where computing,caching,and communication resources are jointly op-timized to maximize the potential profit.Partial of-floading is introduced to further enhance the system performance when compared with the existing work.We analyze the existence and uniqueness of the Nash equilibrium and Stackelberg equilibrium.Based on the optimization result,winners are selected from the set of miner candidates by bidding and constitute the mining network.Simulation results demonstrate that the proposal is able to improve the social welfare of blockchain miners,thus stimulating more blockchain users to join the mining network.展开更多
The advent of 5G technology has revolutionized network communication by introducing network slicing(NS)and virtualization to allow multiple network service providers(NSPs)to share infrastructure,thereby reducing deplo...The advent of 5G technology has revolutionized network communication by introducing network slicing(NS)and virtualization to allow multiple network service providers(NSPs)to share infrastructure,thereby reducing deployment costs and accelerating 5G adoption.While this new open marketplace enables NSPs to trade resources dynamically,it also exposes the system to security concerns,such as front-running and selfish-validation attacks,which can lead to market manipulation and strategy leakage.This paper presents TRADE-5G,a secure blockchainbased marketplace for 5G resource trading that mitigates these attacks and ensures fair,transparent resource allocation while preserving the cofidentiality of NSP strategies.Through extensive simulations,TRADE-5G demonstrates a substantial 18%improvement in user satisfaction and a 36%reduction in wasted resources compared to traditional models.Additionally,it opens new profit opportunities for NSPs through unused resources,establishing a more competitive,secure,and transparent 5G trading environment that exceeds the capabilities of traditional mobile networks.展开更多
In the past two years,due to weak global economic recovery and manufacturing downturn,the world mineral market continued to slump.As a result,scarce minerals have also been seriously affected.On one hand。
基金This work was supported by National Natural Science Foundation of China(No.62271368,No.62201421)National Natural Science Foundation of Shaanxi Province(No.2021JQ-206)+1 种基金Guangdong Basic and Applied Basic Research Foundation(No.2020A1515110084)China Postdoctoral Science Foundation(No.2018M640960,No.2019T120879).
文摘To promote the application of edge com-puting in wireless blockchain networks,this paper presents a business ecosystem,where edge comput-ing is introduced to assist blockchain users in imple-menting the mining process.This paper exploits re-source trading and miner competition to enable se-cure and efficient transactions in the presented busi-ness ecosystem.The resource trading problem is for-mulated as a Stackelberg game between miner candi-dates and edge computing servers,where computing,caching,and communication resources are jointly op-timized to maximize the potential profit.Partial of-floading is introduced to further enhance the system performance when compared with the existing work.We analyze the existence and uniqueness of the Nash equilibrium and Stackelberg equilibrium.Based on the optimization result,winners are selected from the set of miner candidates by bidding and constitute the mining network.Simulation results demonstrate that the proposal is able to improve the social welfare of blockchain miners,thus stimulating more blockchain users to join the mining network.
文摘The advent of 5G technology has revolutionized network communication by introducing network slicing(NS)and virtualization to allow multiple network service providers(NSPs)to share infrastructure,thereby reducing deployment costs and accelerating 5G adoption.While this new open marketplace enables NSPs to trade resources dynamically,it also exposes the system to security concerns,such as front-running and selfish-validation attacks,which can lead to market manipulation and strategy leakage.This paper presents TRADE-5G,a secure blockchainbased marketplace for 5G resource trading that mitigates these attacks and ensures fair,transparent resource allocation while preserving the cofidentiality of NSP strategies.Through extensive simulations,TRADE-5G demonstrates a substantial 18%improvement in user satisfaction and a 36%reduction in wasted resources compared to traditional models.Additionally,it opens new profit opportunities for NSPs through unused resources,establishing a more competitive,secure,and transparent 5G trading environment that exceeds the capabilities of traditional mobile networks.
文摘In the past two years,due to weak global economic recovery and manufacturing downturn,the world mineral market continued to slump.As a result,scarce minerals have also been seriously affected.On one hand。
