Results 31 to 40 of about 360,545 (248)

Smart Contract Vulnerability Detection Model Based on Siamese Network (SCVSN): A Case Study of Reentrancy Vulnerability

open access: yesEnergies, 2022
Blockchain technology is currently evolving rapidly, and smart contracts are the hallmark of the second generation of blockchains. Currently, smart contracts are gradually being used in power system networks to build a decentralized energy system ...
Ran Guo   +4 more
doaj   +1 more source

Smart legal contract and its research progress

open access: yes工程科学学报, 2022
With the advancement of blockchain, smart contracts have become increasingly popular. However, the uncertain status by law severely limits their practical applications.
Di WANG   +6 more
doaj   +1 more source

How Effective are Smart Contract Analysis Tools? Evaluating Smart Contract Static Analysis Tools Using Bug Injection

open access: yes, 2020
Security attacks targeting smart contracts have been on the rise, which have led to financial loss and erosion of trust. Therefore, it is important to enable developers to discover security vulnerabilities in smart contracts before deployment.
Akca Sefa   +9 more
core   +1 more source

Design and implementation of a smart-contract voting system based on zero-knowledge proof

open access: yes工程科学学报, 2023
As a legally binding computer program, smart contracts are stored on the blockchain and can be automatically executed according to the contract terms.
Hong-jian YIN   +4 more
doaj   +1 more source

A Secure Smart Contract Generation Method Based on Timed Automata [PDF]

open access: yesJisuanji gongcheng, 2023
Blockchain is a decentralized computing paradigm with promising application prospects in many fields. Smart contracts are the key to blockchain applications; however, security issues with smart contracts often occur, occasionally leading to significant ...
Yang LIU, Shengjie ZHANG
doaj   +1 more source

CodeNet: Code-Targeted Convolutional Neural Network Architecture for Smart Contract Vulnerability Detection

open access: yesIEEE Access, 2022
A smart contract is a computer program which is automatically executed with some conditional statements such as “if/then”. Since smart contracts can include some vulnerable program codes, smart contract exploit was recently highlighted as ...
Seon-Jin Hwang   +3 more
doaj   +1 more source

The Timing of Smart Contract Formation from the Perspective of Iranian, English, and American Law [PDF]

open access: yesپژوهش تطبیقی حقوق اسلام و غرب, 2023
In order to determine the timing of smart contract formation, which is considered a type of electronic contract, the authors initially examine the viewpoint of traditional contract law.
MirHossein Abedian Kalkhoran   +1 more
doaj   +1 more source

A Concurrent Perspective on Smart Contracts [PDF]

open access: yes, 2017
In this paper, we explore remarkable similarities between multi-transactional behaviors of smart contracts in cryptocurrencies such as Ethereum and classical problems of shared-memory concurrency.
Hobor, Aquinas, Sergey, Ilya
core   +2 more sources

The Design and Implementation of a Secure Datastore Based on Ethereum Smart Contract

open access: yesApplied Sciences, 2023
In this paper, we present a secure datastore based on an Ethereum smart contract. Our research is guided by three research questions. First, we will explore to what extend a smart-contract-based datastore should resemble a traditional database system ...
Izdehar M. Aldyaflah   +3 more
doaj   +1 more source

SmartCon: A Blockchain-Based Framework for Smart Contracts and Transaction Management

open access: yesIEEE Access, 2022
A smart contract is known to be useful for automating business processes triggered by specific events caused by IoT sensors, data feeds, or other applications.
Muhammad Muneeb   +3 more
doaj   +1 more source

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