Social-Chain: Decentralized Trust Evaluation Based on Blockchain in Pervasive Social Networking

Zheng Yan*, Li Peng, Wei Feng, Laurence T. Yang

*Tämän työn vastaava kirjoittaja

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

2 Sitaatiot (Scopus)
17 Lataukset (Pure)

Abstrakti

Pervasive Social Networking (PSN) supports online and instant social activities with the support of heterogeneous networks. Since reciprocal activities among both familiar/unfamiliar strangers and acquaintances are quite common in PSN, it is essential to offer trust information to PSN users. Past work normally evaluates trust based on a centralized party, which is not feasible due to the dynamic changes of PSN topology and its specific characteristics. The literature still lacks a decentralized trust evaluation scheme in PSN. In this article, we propose a novel blockchain-based decentralized system for trust evaluation in PSN, called Social-Chain. Considering mobile devices normally lack computing resources to process cryptographic puzzle calculation, we design a lightweight consensus mechanism based on Proof-of-Trust (PoT), which remarkably improves system effectivity compared with other blockchain systems. Serious security analysis and experimental results further illustrate the security and efficiency of Social-Chain for being feasibly applied into PSN.
AlkuperäiskieliEnglanti
Artikkeli17
Sivumäärä28
JulkaisuACM Transactions on Internet Technology
Vuosikerta21
Numero1
DOI - pysyväislinkit
TilaJulkaistu - helmikuuta 2021
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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