On and Off-Blockchain Enforcement of Smart Contracts

Carlos Molina-Jiménez; Ellis Solaiman; Ioannis Sfyrakis; Irene C. L. Ng; Jon Crowcroft

doi:10.1007/978-3-030-10549-5_27

On and Off-Blockchain Enforcement of Smart Contracts

Carlos Molina-Jiménez
, Ellis Solaiman
, Ioannis Sfyrakis
, Irene C. L. Ng
, Jon Crowcroft

Research output: Contribution to conference › Paper › peer-review

Abstract

Emerging blockchain technology is a promising platform for implementing smart contracts. But there is a large class of applications, where blockchain is inadequate due to performance, scalability, and consistency requirements, and also due to language expressiveness and cost issues that are hard to solve. In this paper we explain that in some situations a centralised approach that does not rely on blockchain is a better alternative due to its simplicity, scalability, and performance. We suggest that in applications where decentralisation and transparency are essential, developers can advantageously combine the two approaches into hybrid solutions where some operations are enforced by enforcers deployed on–blockchains and the rest by enforcers deployed on trusted third parties.

Original language	English
Pages	342-354
Number of pages	13
DOIs	https://doi.org/10.1007/978-3-030-10549-5_27
Publication status	Published - 31 Dec 2018
Externally published	Yes

Bibliographical note

DBLP's bibliographic metadata records provided through http://dblp.org/search/publ/api are distributed under a Creative Commons CC0 1.0 Universal Public Domain Dedication. Although the bibliographic metadata records are provided consistent with CC0 1.0 Dedication, the content described by the metadata records is not. Content may be subject to copyright, rights of privacy, rights of publicity and other restrictions.

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Cite this

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AU - Sfyrakis, Ioannis

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AU - Crowcroft, Jon

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AB - Emerging blockchain technology is a promising platform for implementing smart contracts. But there is a large class of applications, where blockchain is inadequate due to performance, scalability, and consistency requirements, and also due to language expressiveness and cost issues that are hard to solve. In this paper we explain that in some situations a centralised approach that does not rely on blockchain is a better alternative due to its simplicity, scalability, and performance. We suggest that in applications where decentralisation and transparency are essential, developers can advantageously combine the two approaches into hybrid solutions where some operations are enforced by enforcers deployed on–blockchains and the rest by enforcers deployed on trusted third parties.

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ER -

On and Off-Blockchain Enforcement of Smart Contracts

Abstract

Bibliographical note

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