Sybil tolerant consensus algorithm using mutual proof of validation상호 검증 증명을 이용한 시빌 내성 합의 알고리즘

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This paper introduces a consensus algorithm named STEP, which operates in a public blockchain environment. To solve the problem of centralization, which is pointed out as a problem of existing consensus algorithms, all nodes are given the same power. Also, methods to prevent Sybil attack in which one principal creates multiple nodes are proposed. To this end, STEP randomly selects nodes to create blocks, divides the validation process into two stages, and provides a reward for rapid and correct validation. Through simulations and experiments on STEP, we confirmed whether the random number generation method, the incentive function for block validation, and the network following this consensus algorithm work correctly within the practicable scope of execution time.
Advisors
Han, Dongsooresearcher한동수researcher
Description
한국과학기술원 :전산학부,
Publisher
한국과학기술원
Issue Date
2020
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 전산학부, 2020.2,[iv, 33 p. :]

Keywords

blockchain▼aconsensus algorithm▼adecentralization▼aSybil attack▼ablock validation; 블록체인▼a합의 알고리즘▼a탈중앙화▼a시빌 어택▼a블록 검증

URI
http://hdl.handle.net/10203/284667
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=910993&flag=dissertation
Appears in Collection
CS-Theses_Master(석사논문)
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