Results 121 to 130 of about 1,554,184 (382)

A lightweight vulnerability detection method for long smart contracts based on bimodal feature fusion

open access: yesCybersecurity
While Ethereum smart contracts provide users with transfer and transaction services, vulnerabilities in smart contracts are constantly damaging users’ property and user experience.
Chen Yang Lin, Hui Zhao, Jing Han Liu
doaj   +1 more source

Testing Smart Contracts Gets Smarter [PDF]

open access: yesarXiv, 2019
Smart contracts are immutable, verifiable, and autonomous pieces of code that can be deployed and ran on blockchain networks like Ethereum. Due to the immutability nature of blockchain, no change is possible on a deployed smart contract or a verified transaction.
arxiv  

Tezla, an Intermediate Representation for Static Analysis of Michelson Smart Contracts [PDF]

open access: yesarXiv, 2020
This paper introduces Tezla, an intermediate representation of Michelson smart contracts that eases the design of static smart contract analysers. This intermediate representation uses a store and preserves the semantics, ow and resource usage of the original smart contract. This enables properties like gas consumption to be statically verified.
arxiv  

iContractBot: A Chatbot for Smart Contracts' Specification and Code Generation [PDF]

open access: yesarXiv, 2021
Recently, Blockchain technology adoption has expanded to many application areas due to the evolution of smart contracts. However, developing smart contracts is non-trivial and challenging due to the lack of tools and expertise in this field. A promising solution to overcome this issue is to use Model-Driven Engineering (MDE), however, using models ...
arxiv  

Advances in Photonic Materials and Integrated Devices for Smart and Digital Healthcare: Bridging the Gap Between Materials and Systems

open access: yesAdvanced Materials, EarlyView.
This article summarizes significant technological advancements in materials, photonic devices, and bio‐interfaced systems, which demonstrate successful applications for impacting human healthcare via improved therapies, advanced diagnostics, and on‐skin health monitoring.
Seunghyeb Ban   +5 more
wiley   +1 more source

AntFuzzer: A Grey-Box Fuzzing Framework for EOSIO Smart Contracts [PDF]

open access: yesarXiv, 2022
In the past few years, several attacks against the vulnerabilities of EOSIO smart contracts have caused severe financial losses to this prevalent blockchain platform. As a lightweight test-generation approach, grey-box fuzzing can open up the possibility of improving the security of EOSIO smart contracts. However, developing a practical grey-box fuzzer
arxiv  

Recent Advances in Stimuli‐Responsive Materials and Soft Robotic Actuators for Bioelectronic Medicine

open access: yesAdvanced Materials, EarlyView.
This review explores the integration of responsive materials and soft robotic actuators with implantable electronics to address key challenges in bioelectronic medicine. By enabling shape actuation, these technologies improve deployment, adaptability, and accuracy in minimally invasive procedures.
Chaoqun Dong, George G. Malliaras
wiley   +1 more source

CGGNet: Compiler-Guided Generation Network for Smart Contract Data Augmentation

open access: yesIEEE Access
The emergence of blockchain and smart contracts has revolutionized various industries by enabling automated code execution. However, the development of smart contracts, rooted in programming languages, inherits common challenges in traditional software ...
Seon-Jin Hwang   +2 more
doaj   +1 more source

Išmaniosios sutartys: teisinis reglamentavimas ir jo problematika

open access: yesVilnius University Open Series, 2020
This research paper deals with the Institute of Smart Contracts, reveals legal regulation and its problems. In the first part of the work, using the attributes: immutability, specific form and operation without third party mediation, and the basic ...
Emilija Bartkutė, Gabrielė Gumbytė
doaj   +1 more source

Harvey: A Greybox Fuzzer for Smart Contracts

open access: yes, 2019
We present Harvey, an industrial greybox fuzzer for smart contracts, which are programs managing accounts on a blockchain. Greybox fuzzing is a lightweight test-generation approach that effectively detects bugs and security vulnerabilities.
Amani Sidney   +55 more
core   +1 more source

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