Results 41 to 50 of about 53,228 (281)

Smart contract disputes and public policy in the ASEAN+6 region

open access: yesЦифровое право, 2022
Smart contracts provide some benefits, such as better facilitation for contracting parties to monitor performance of their obligation and reducing the cost spent monitoring the contract.
G. R. De En Goh
doaj   +1 more source

High‐Speed and Scalable Wet Spinning of Graphene/Liquid Crystalline Elastomer Composite Filaments

open access: yesAdvanced Functional Materials, EarlyView.
Polydomain filaments from graphene/liquid crystalline elastomer (LCE) composites are scalably‐manufactured by wet spinning across a wide range of diameters (≈137–1128 µm) at a speed up to 4500 m h−1 through a double diffusion coagulation mechanism, enabling fast actuation and optimized mechanical performance for broad applications.
Antonio Proctor Martinez   +5 more
wiley   +1 more source

The Legality of Smart Contract in the Perspectives of Indonesian Law and Islamic Law

open access: yesAl-Istinbath: Jurnal Hukum Islam, 2022
This study aims to determine the legal status of smart contracts from the perspective of Indonesian law and Islamic law through a comprehensive literature review.
Munawar Munawar
doaj   +1 more source

A Homeostatic Photonic Device Integrating Vapor‐Regulated Thermo‐Optical Feedback Mechanisms

open access: yesAdvanced Functional Materials, EarlyView.
An inorganic homeostatic photonic device is designed to autonomously regulate light, temperature, and vapor sorption through integrated positive and negative feedback mechanisms at multiple wavelengths. The device uses a graded mesoporous 1D photonic crystal coupled with a photothermal layer.
Caroline Byun   +4 more
wiley   +1 more source

Smart Contract Security: A Software Lifecycle Perspective

open access: yesIEEE Access, 2019
Smart contract security is an emerging research area that deals with security issues arising from the execution of smart contracts in a blockchain system. Generally, a smart contract is a piece of executable code that automatically runs on the blockchain
Yongfeng Huang   +4 more
doaj   +1 more source

Automated Generation of Test Cases for Smart Contract Security Analyzers

open access: yesIEEE Access, 2020
We address the absence of reliable tests on contract analyzers of smart contracts and present a systematic method to diversify test cases by combining smart-contract-specific bugs and static analysis barriers in this paper.
Ki Byung Kim, Jonghyup Lee
doaj   +1 more source

ContractFuzzer: Fuzzing Smart Contracts for Vulnerability Detection [PDF]

open access: yes, 2018
Decentralized cryptocurrencies feature the use of blockchain to transfer values among peers on networks without central agency. Smart contracts are programs running on top of the blockchain consensus protocol to enable people make agreements while minimizing trusts.
arxiv   +1 more source

Declarative Smart Contracts [PDF]

open access: yesarXiv, 2022
This paper presents DeCon, a declarative programming language for implementing smart contracts and specifying contract-level properties. Driven by the observation that smart contract operations and contract-level properties can be naturally expressed as relational constraints, DeCon models each smart contract as a set of relational tables that store ...
arxiv  

3D Nano‐architected Polymer Shell Enables Reconfigurable Stabilized Blue Phase Soft Crystals

open access: yesAdvanced Functional Materials, EarlyView.
Spherical polymer shells featuring nanostructure of blue phase (BP) disclinations form via in situ photo‐polymerization within BP liquid crystals, providing controlled anchoring for BP nucleation and growth at room temperature and beyond. This architected confinement enhances BP thermal stability over a broad temperature range while enabling dynamic ...
Sepideh Norouzi   +8 more
wiley   +1 more source

Abusing the Ethereum Smart Contract Verification Services for Fun and Profit [PDF]

open access: yesarXiv, 2023
Smart contracts play a vital role in the Ethereum ecosystem. Due to the prevalence of kinds of security issues in smart contracts, the smart contract verification is urgently needed, which is the process of matching a smart contract's source code to its on-chain bytecode for gaining mutual trust between smart contract developers and users.
arxiv  

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