CVE-2023-21510

Out-of-bounds Read vulnerability while processing BCTUICMDUPDATESCREEN in bctui trustlet from Samsung Blockchain Keystore prior to version 1.3.12.1 allows local attacker to read arbitrary memory...

CVE-2023-21509

Out-of-bounds Write vulnerability while processing BCTUICMDUPDATESCREEN in bctui trustlet from Samsung Blockchain Keystore prior to version 1.3.12.1 allows local attacker to execute arbitrary code...

CVE-2023-33964

mx-chain-go is an implementation of the MultiversX blockchain protocol written in the Go language. Metachain cannot process a cross-shard miniblock. Prior to version 1.4.16, an invalid transaction with the wrong username on metachain is not treated correctly on the metachain transaction processor...

SecurePay: Enabling Secure and Fast Payment Processing for Platform Economy

Recent years have witnessed a rapid development of platform economy, as it effectively addresses the trust dilemma between untrusted online buyers and merchants. However, malicious platforms can misuse users' funds and information, causing severe security concerns. Previous research efforts aimed...

CVE-2022-34988

Inout Blockchain AltExchanger v1.2.1 was discovered to contain a cross-site scripting XSS vulnerability via the component /admin/js...

CVE-2022-31489

Inout Blockchain AltExchanger 1.2.1 allows index.php/home/about inoutiolanguage cookie SQL injection...

CVE-2021-45700

An issue was discovered in the ckb crate before 0.40.0 for Rust. Attackers can cause a denial of service Nervos CKB blockchain node crash via a dead call that is used as a DepGroup...

CVE-2021-35041

The blockchain node in FISCO-BCOS V2.7.2 may have a bug when dealing with unformatted packet and lead to a crash. A malicious node can send a packet continuously. The packet is in an incorrect format and cannot be decoded by the node correctly. As a result, the node may consume the memory...

CVE-2021-25526

Intent redirection vulnerability in Samsung Blockchain Wallet prior to version 1.3.02.8 allows attacker to execute privileged action...

CVE-2013-2293

The CTransaction::FetchInputs method in bitcoind and Bitcoin-Qt before 0.8.0rc1 copies transactions from disk to memory without incrementally checking for spent prevouts, which allows remote attackers to cause a denial of service disk I/O consumption via a Bitcoin transaction with many inputs...

Timestamp Manipulation: Timestamp-Based Nakamoto-Style Blockchains Are Vulnerable

Nakamoto consensus are the most widely adopted decentralized consensus mechanism in cryptocurrency systems. Since it was proposed in 2008, many studies have focused on analyzing its security. Most of them focus on maximizing the profit of the adversary. Examples include the selfish mining attack ...

Federated Learning-Enhanced Blockchain Framework for Privacy-Preserving Intrusion Detection in Industrial IoT

Industrial Internet of Things IIoT systems have become integral to smart manufacturing, yet their growing connectivity has also exposed them to significant cybersecurity threats. Traditional intrusion detection systems IDS often rely on centralized architectures that raise concerns over data...

Integrating Robotic Navigation with Blockchain: a Novel PoS-Based Approach for Heterogeneous Robotic Teams

This work explores a novel integration of blockchain methodologies with Wide Area Visual Navigation WAVN to address challenges in visual navigation for a heterogeneous team of mobile robots deployed for unstructured applications in agriculture, forestry, etc. Focusing on overcoming challenges suc...

Trustworthy Reputation Games and Applications to Proof-Of-Reputation Blockchains

Reputation systems play an essential role in the Internet era, as they enable people to decide whom to trust, by collecting and aggregating data about users' behavior. Recently, several works proposed the use of reputation for the design and scalability improvement of decentralized blockchain...

Moneros Decentralized P2P Exchanges: Functionality, Adoption, and Privacy Risks

Privacy-focused cryptocurrencies like Monero remain popular, despite increasing regulatory scrutiny that has led to their delisting from major centralized exchanges. The latter also explains the recent popularity of decentralized exchanges DEXs with no centralized ownership structures. These...

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...

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...