Verifiable Computing Applications in Blockchain

From weak clients outsourcing computational tasks to more powerful machines, to distributed blockchain nodes needing to agree on the state of the ledger in the presence of adversarial nodes, there is a growing need to efficiently verify the results of computations delegated to untrusted third partie...

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Autores principales:	Silvio Simunic, Dalen Bernaca, Kristijan Lenac
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	Verifiable computing blockchain zero-knowledge proof verifiable random function multiparty computation trusted execution environment Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/ba46162952a049548568a9267f0adf1e
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id	oai:doaj.org-article:ba46162952a049548568a9267f0adf1e
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spelling	oai:doaj.org-article:ba46162952a049548568a9267f0adf1e2021-12-04T00:00:14ZVerifiable Computing Applications in Blockchain2169-353610.1109/ACCESS.2021.3129314https://doaj.org/article/ba46162952a049548568a9267f0adf1e2021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9620108/https://doaj.org/toc/2169-3536From weak clients outsourcing computational tasks to more powerful machines, to distributed blockchain nodes needing to agree on the state of the ledger in the presence of adversarial nodes, there is a growing need to efficiently verify the results of computations delegated to untrusted third parties. Verifiable computing is a new and interesting research area that addresses this problem. Recently, new applications of verifiable computing techniques have emerged in blockchain technology for secure key management, sybil-resistance and distributed consensus, and smart contracts, while providing desired performance and privacy guarantees. In this paper, we provide an overview of common methods for verifying computation and present how they are applied to blockchain technology. We group the presented verifiable computing applications into five main application areas, i.e., multiparty approval for secure key management, sybil-resistance and consensus, smart contracts and oracles, scalability, and privacy. The main contribution of this survey is to answer two research questions: 1) what are the main application areas of verifiable computing in blockchain technology, and 2) how are verifiable computing techniques used in major blockchain projects today.Silvio SimunicDalen BernacaKristijan LenacIEEEarticleVerifiable computingblockchainzero-knowledge proofverifiable random functionmultiparty computationtrusted execution environmentElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 9, Pp 156729-156745 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Verifiable computing blockchain zero-knowledge proof verifiable random function multiparty computation trusted execution environment Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Verifiable computing blockchain zero-knowledge proof verifiable random function multiparty computation trusted execution environment Electrical engineering. Electronics. Nuclear engineering TK1-9971 Silvio Simunic Dalen Bernaca Kristijan Lenac Verifiable Computing Applications in Blockchain
description	From weak clients outsourcing computational tasks to more powerful machines, to distributed blockchain nodes needing to agree on the state of the ledger in the presence of adversarial nodes, there is a growing need to efficiently verify the results of computations delegated to untrusted third parties. Verifiable computing is a new and interesting research area that addresses this problem. Recently, new applications of verifiable computing techniques have emerged in blockchain technology for secure key management, sybil-resistance and distributed consensus, and smart contracts, while providing desired performance and privacy guarantees. In this paper, we provide an overview of common methods for verifying computation and present how they are applied to blockchain technology. We group the presented verifiable computing applications into five main application areas, i.e., multiparty approval for secure key management, sybil-resistance and consensus, smart contracts and oracles, scalability, and privacy. The main contribution of this survey is to answer two research questions: 1) what are the main application areas of verifiable computing in blockchain technology, and 2) how are verifiable computing techniques used in major blockchain projects today.
format	article
author	Silvio Simunic Dalen Bernaca Kristijan Lenac
author_facet	Silvio Simunic Dalen Bernaca Kristijan Lenac
author_sort	Silvio Simunic
title	Verifiable Computing Applications in Blockchain
title_short	Verifiable Computing Applications in Blockchain
title_full	Verifiable Computing Applications in Blockchain
title_fullStr	Verifiable Computing Applications in Blockchain
title_full_unstemmed	Verifiable Computing Applications in Blockchain
title_sort	verifiable computing applications in blockchain
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/ba46162952a049548568a9267f0adf1e
work_keys_str_mv	AT silviosimunic verifiablecomputingapplicationsinblockchain AT dalenbernaca verifiablecomputingapplicationsinblockchain AT kristijanlenac verifiablecomputingapplicationsinblockchain
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Verifiable Computing Applications in Blockchain

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