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New Models for Consensus in the Bloc...

Sridhar, Srivatsan,

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New Models for Consensus in the Blockchain Era /

Record Type:	Electronic resources : Monograph/item
Title/Author:	New Models for Consensus in the Blockchain Era // Srivatsan Sridhar.
Author:	Sridhar, Srivatsan,
Description:	1 electronic resource (262 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 86-12, Section: B.
Contained By:	Dissertations Abstracts International86-12B.
Subject:	Protocol. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31974611
ISBN:	9798311962964

New Models for Consensus in the Blockchain Era /
Sridhar, Srivatsan,

New Models for Consensus in the Blockchain Era /Srivatsan Sridhar. - 1 electronic resource (262 pages)

Source: Dissertations Abstracts International, Volume: 86-12, Section: B.

Blockchain networks promise to create a "computer-in-the-sky" controlled not by a single company but by an entire community, thus enhancing reliability, transparency, and fairness. A crucial component of any blockchain network is a consensus protocol. Run by a network of nodes, this protocol enables clients to execute commands on the computer-in-the-sky and obtain correct, consistent results. Although consensus protocols have been studied for decades, blockchains run consensus protocols in novel settings, requiring new models to study them. I present my work modeling three such aspects of consensus in blockchains. First, I model the limited communication and computation capacities of blockchain nodes and prove the security of protocols in such environments. Second, I model the heterogeneous security trade-offs desired for different applications and show protocols in which different users can simultaneously achieve optimal security trade-offs. Third, I model different types of blockchain clients---communicating versus silent, and always-on versus intermittently on---and show optimal protocols for each type. Fourth, I demonstrate and mitigate attacks arising from the open-participation ("permissionless") model.

English

ISBN: 9798311962964Subjects--Topical Terms:

3564384
Protocol.

New Models for Consensus in the Blockchain Era /
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