1136 matches found
HChain: Blockchain Based Large Scale EHR Data Sharing with Enhanced Security and Privacy
Concerns regarding privacy and data security in conventional healthcare prompted alternative technologies. In smart healthcare, blockchain technology addresses existing concerns with security, privacy, and electronic healthcare transmission. Integration of Blockchain Technology with the Internet ...
DMind Benchmark: toward a Holistic Assessment of LLM Capabilities across the Web3 Domain
Large Language Models LLMs have achieved impressive performance in diverse natural language processing tasks, but specialized domains such as Web3 present new challenges and require more tailored evaluation. Despite the significant user base and capital flows in Web3, encompassing smart contracts...
Arbitrary Code Injection
Overview Affected versions of this package are vulnerable to Arbitrary Code Injection through the improper handling of gas limits in precompile executions. An attacker can manipulate the state of the blockchain by causing certain functions to execute with insufficient gas, leading to incomplete...
Correlating Account on Ethereum Mixing Service Via Domain-Invariant Feature Learning
The untraceability of transactions facilitated by Ethereum mixing services like Tornado Cash poses significant challenges to blockchain security and financial regulation. Existing methods for correlating mixing accounts suffer from limited labeled data and vulnerability to noisy annotations, whic...
Comparative Analysis of Blockchain Systems
Blockchain is a type of decentralized distributed database. Unlike traditional relational database management systems, it does not require management or maintenance by a third party. All data management and update processes are open and transparent, solving the trust issues of centralized databas...
Blockchain Technology: Core Mechanisms, Evolution, and Future Implementation Challenges
Blockchain technology has emerged as one of the most transformative digital innovations of the 21st century. This paper presents a comprehensive review of blockchain's fundamental architecture, tracing its development from Bitcoin's initial implementation to current enterprise applications. We...
A Weighted Byzantine Fault Tolerance Consensus Driven Trusted Multiple Large Language Models Network
Large Language Models LLMs have achieved remarkable success across a wide range of applications. However, individual LLMs often produce inconsistent, biased, or hallucinated outputs due to limitations in their training corpora and model architectures. Recently, collaborative frameworks such as th...
Guardians of the Web: the Evolution and Future of Website Information Security
Website information security has become a critical concern in the digital age. This article explores the evolution of website information security, examining its historical development, current practices, and future directions. The early beginnings from the 1960s to the 1980s laid the groundwork...
CodeBC: a More Secure Large Language Model for Smart Contract Code Generation in Blockchain
Large language models LLMs excel at generating code from natural language instructions, yet they often lack an understanding of security vulnerabilities. This limitation makes it difficult for LLMs to avoid security risks in generated code, particularly in high-security programming tasks such as...
PQS-BFL: a Post-Quantum Secure Blockchain-Based Federated Learning Framework
Federated Learning FL enables collaborative model training while preserving data privacy, but its classical cryptographic underpinnings are vulnerable to quantum attacks. This vulnerability is particularly critical in sensitive domains like healthcare. This paper introduces PQS-BFL Post-Quantum...
Decentralized Vulnerability Disclosure Via Permissioned Blockchain: a Secure, Transparent Alternative to Centralized CVE Management
This paper proposes a decentralized, blockchain-based system for the publication of Common Vulnerabilities and Exposures CVEs, aiming to mitigate the limitations of the current centralized model primarily overseen by MITRE. The proposed architecture leverages a permissioned blockchain, wherein on...
Building Trust in Healthcare with Privacy Techniques: Blockchain in the Cloud
This study introduces a cutting-edge architecture developed for the NewbornTime project, which uses advanced AI to analyze video data at birth and during newborn resuscitation, with the aim of improving newborn care. The proposed architecture addresses the crucial issues of patient consent, data...
Efficient Patient-Centric EMR Sharing Block Tree
Flexible sharing of electronic medical records EMRs is an urgent need in healthcare, as fragmented storage creates EMR management complexity for both practitioners and patients. Blockchain has emerged as a promising solution to address the limitations of centralized EMR systems regarding...
Smart Water Security with AI and Blockchain-Enhanced Digital Twins
Water distribution systems in rural areas face serious challenges such as a lack of real-time monitoring, vulnerability to cyberattacks, and unreliable data handling. This paper presents an integrated framework that combines LoRaWAN-based data acquisition, a machine learning-driven Intrusion...
SoK: a Survey of Mixing Techniques and Mixers for Cryptocurrencies
Blockchain technologies have overturned the digital finance industry by introducing a decentralized pseudonymous means of monetary transfer. The pseudonymous nature introduced privacy concerns, enabling various deanonymization techniques, which in turn spurred development of stronger...
dRPC Launches NodeHaus to Streamline Blockchain and Web3 Infrastructure
Blockchain infrastructure provider dRPC has announced the launch of a NodeHaus platform that enables chain foundations unprecedented control…...
Developing a Blockchain-Based Secure Digital Contents Distribution System
As digital content distribution expands rapidly through online platforms, securing digital media and protecting intellectual property has become increasingly complex. Traditional centralized systems, while widely adopted, suffer from vulnerabilities such as single points of failure and limited...
Trustworthy Decentralized Autonomous Machines: a New Paradigm in Automation Economy
Decentralized Autonomous Machines DAMs represent a transformative paradigm in automation economy, integrating artificial intelligence AI, blockchain technology, and Internet of Things IoT devices to create self-governing economic agents participating in Decentralized Physical Infrastructure...
Blockchain Meets Adaptive Honeypots: a Trust-Aware Approach to Next-Gen IoT Security
Edge computing-based Next-Generation Wireless Networks NGWN-IoT offer enhanced bandwidth capacity for large-scale service provisioning but remain vulnerable to evolving cyber threats. Existing intrusion detection and prevention methods provide limited security as adversaries continually adapt the...
Decentralised Collaborative Action: Cryptoeconomics in Space
Blockchains and peer-to-peer systems are part of a trend towards computer systems that are "radically decentralised", by which we mean that they 1 run across many participants, 2 without central control, and 3 are such that qualities 1 and 2 are essential to the system's intended use cases. We...