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Blockchain smart contracts: Applications, challenges, and future trends
Peer-to-Peer Networking and Applications ( IF 4.2 ) Pub Date : 2021-04-18 , DOI: 10.1007/s12083-021-01127-0
Shafaq Naheed Khan 1 , Faiza Loukil 2 , Chirine Ghedira-Guegan 3 , Elhadj Benkhelifa 4 , Anoud Bani-Hani 1
Affiliation  

In recent years, the rapid development of blockchain technology and cryptocurrencies has influenced the financial industry by creating a new crypto-economy. Then, next-generation decentralized applications without involving a trusted third-party have emerged thanks to the appearance of smart contracts, which are computer protocols designed to facilitate, verify, and enforce automatically the negotiation and agreement among multiple untrustworthy parties. Despite the bright side of smart contracts, several concerns continue to undermine their adoption, such as security threats, vulnerabilities, and legal issues. In this paper, we present a comprehensive survey of blockchain-enabled smart contracts from both technical and usage points of view. To do so, we present a taxonomy of existing blockchain-enabled smart contract solutions, categorize the included research papers, and discuss the existing smart contract-based studies. Based on the findings from the survey, we identify a set of challenges and open issues that need to be addressed in future studies. Finally, we identify future trends.



中文翻译:

区块链智能合约:应用、挑战和未来趋势

近年来,区块链技术和加密货币的快速发展通过创造新的加密经济影响了金融业。然后,由于智能合约的出现,出现了不涉及可信第三方的下一代去中心化应用程序,智能合约是旨在促进、验证和自动执行多个不可信方之间的协商和协议的计算机协议。尽管智能合约有光明的一面,但仍有一些问题继续阻碍其采用,例如安全威胁、漏洞和法律问题。在本文中,我们从技术和使用角度对支持区块链的智能合约进行了全面调查。为此,我们提出了现有的支持区块链的智能合约解决方案的分类,对包含的研究论文进行分类,并讨论现有的基于智能合约的研究。根据调查结果,我们确定了未来研究中需要解决的一系列挑战和未解决的问题。最后,我们确定未来趋势。

更新日期:2021-04-18
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