Byzantine Generals Problem in the Light of P2P Computing

Fedotova, Natalya; Veltri, Luca

doi:10.1109/mobiq.2006.340426

Cited by 5 publications

(3 citation statements)

References 4 publications

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“…Theoretically a malicious node should take almost the 51% of the computational power of the entire network of blockchain to get successful in an attempt to generate a fake block and realize a double spending attack. Double-spending issues are well known studied as also the presence of malicious nodes in the Generals Byzantine fault issues (Fan et al, 2013;Fedotova and Veltri, 2006;Reischuk, 1985;Lamport, 1983). These two computer technology conditions appeared in a computer network when some of the nodes of the network are malicious ones as inserts unreliable information: to be sure that the entire will agree on a concerted strategy to avoid a collapse, the system should be reinforced.…”

Section: Bitcoin and Blockchain Technologymentioning

confidence: 99%

Blockchain Applications and Sustainability Issues

Rana¹,

Giungato²,

Tarabella³

et al. 2019

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Blockchain, a distributed and democratically-sustained public register of the transactions of the digital currency "Bitcoin", proposed by Satoshi Nakamoto a pseudonym of a hided developer in 2009, has been the driver of a huge number of initiatives devoted to develop and implement a peer-to-peer distributed database, and with no central authority created as an open source software. Expansion of Bitcoin, as well as other digital currencies, has been due to lower transaction costs, high security protocols and lack of inflation with respect to fiat money and no need of a clearing entity or a central bank. Although, environmental issues related to the use of this currency and, in particular, in the energy consumes, have been raised by the scientific community, but no signals of limiting factors have been detected until now. The hidden in the wings blockchain technology has been recognized the driver of innovation in various fields, contributing to create a more sustainable world. The purpose of this paper is to describe both the recent trends in the applications of the blockchain technology in the cryptocurrencies market and the new projects considering the environmental sustainability (energy consumption, materials depletion) and social impacts. The contribute of blockchain in reducing and accelerating bureaucracy and incentivizing environmentally friendly behaviour, has been discussed. Although the environmental issues related to the energy consumed in Bitcoin mining may scare companies in adopting the new technology, there is no evidence of limiting factors or carrying capacity of the entire system. In future the development of a less energy intensive alternative for validating the blocks to stack in the distributed database, would render the blockchain the ideal candidate for the applicability of sustainability paradigms in the economic, environmental and social sectors.

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Section: Bitcoin and Blockchain Technologymentioning

confidence: 99%

Blockchain Applications and Sustainability Issues

Rana¹,

Giungato²,

Tarabella³

et al. 2019

View full text Add to dashboard Cite

show abstract

“…However, the autonomy of nodes leads to the diversity of the actions of P2P nodes, which induces the routing to be easily disserved by malicious behaviors of the nodes. End-nodes in the routing can take malicious actions [1] such as free-riding [2] , forgery attack [3] , collusion [4] and betrayal [5] , etc. Take P2P file-sharing application as an example, 25% of the files are forged documents or viruses [6] .…”

Section: Introductionmentioning

confidence: 99%

Incentive mechanisms for trustworthy routing based on game model of the strategies of nodes in P2P networks

Wang

Zhang

et al. 2009

J. Electron.(China)

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The trustworthiness and security of routing in the existing Peer-to-Peer (P2P) networks can not be ensured because of the diversity of the strategies of P2P nodes. This paper firstly uses game theory to establish game model of the strategies and profits of various types of routing nodes. Then, two incentive mechanisms for the corresponding stages of P2P trustworthy routing are proposed, namely trust associated mechanism and trust compensated mechanism. Simulation results show that the incentive mechanisms proposed in this paper will encourage cooperation actions of good nodes and restrain malicious actions of bad nodes, which ensure the trustworthiness of routing consequently.

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“…According to the statistic [2], 60-70% of network bandwidth is consumed by the various P2P applications in the Internet. At the same time, some malicious actions such as forgery attack [3], collusion [4], whitewashing [1] [5] and betrayal [6] still exist. To P2P file-sharing application as an example, 25% of the documents are forged documents or virus [7].…”

Section: Introductionmentioning

confidence: 99%

A New Game Model of Nodes' Strategies in P2P Network

Wang

Zhang

Sun

2008

2008 4th International Conference on Wireless Communications, Networking and Mobile Computing

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The heterogeneity of P2P nodes' strategies has serious affect on the service performance of P2P network. Many incentive mechanisms based on game models of nodes' strategies are proposed to limit node's malicious actions. However, most of them don't take the diversity of nodes' types and the complexity of nodes' strategies into account, as well as the asymmetry of nodes' information. So the game models wouldn't imitate actual behavior and the incentive mechanisms based on them are not effective. This paper presents a new game model of nodes' strategies in P2P network, referring to the perspective of human society. The model classifies nodes' strategies to several sets according to their types, and analyzes the transfer conditions of different strategies. Finally, this paper simulates the evolution of the game model and the evolutionary results show similarity with real P2P network environment.

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Byzantine Generals Problem in the Light of P2P Computing

Cited by 5 publications

References 4 publications

Blockchain Applications and Sustainability Issues

Blockchain Applications and Sustainability Issues

Incentive mechanisms for trustworthy routing based on game model of the strategies of nodes in P2P networks

A New Game Model of Nodes' Strategies in P2P Network

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