1131 matches found
PT-2025-32109 · Unknown · Blockchain Keystore
Name of the Vulnerable Software and Affected Versions: Blockchain Keystore versions prior to 1.3.17.2 Description: An out-of-bounds read issue exists in Blockchain Keystore. This allows local privileged attackers to read out-of-bounds memory. Recommendations: Update Blockchain Keystore to version...
DoS Attacks and Defense Technologies in Blockchain Systems: a Hierarchical Analysis
Blockchain technology is widely used in various fields due to its ability to provide decentralization and trustless security. This is a fundamental understanding held by many advocates, but it is misunderstood, leading participants to fail to recognize the limitations of the security that...
CVE-2025-54427 Polkadot Frontier contains missing `check_inherent` for `note_min_gas_price_target` inflates gas price
Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. The extrinsic notemingaspricetarget is an inherent extrinsic, meaning only the block producer can call it. To ensure correctness, the ProvideInherent trait should be implemented for each inherent, which...
Scaling Decentralized Learning with FLock
Fine-tuning the large language models LLMs are prevented by the deficiency of centralized control and the massive computing and communication overhead on the decentralized schemes. While the typical standard federated learning FL supports data privacy, the central server requirement creates a...
DP2Guard: a Lightweight and Byzantine-Robust Privacy-Preserving Federated Learning Scheme for Industrial IoT
Privacy-Preserving Federated Learning PPFL has emerged as a secure distributed Machine Learning ML paradigm that aggregates locally trained gradients without exposing raw data. To defend against model poisoning threats, several robustness-enhanced PPFL schemes have been proposed by integrating...
MFAz: Historical Access Based Multi-Factor Authorization
Unauthorized access remains one of the critical security challenges in the realm of cybersecurity. With the increasing sophistication of attack techniques, the threat of unauthorized access is no longer confined to the conventional ones, such as exploiting weak access control policies. Instead,...
Time Entangled Quantum Blockchain with Phase Encoding for Classical Data
With rapid advancements in quantum computing, it is widely believed that there will be quantum hardware capable of compromising classical cryptography and hence, the internet and the current information security infrastructure in the coming decade. This is mainly due to the operational realizatio...
Chain Table: Protecting Table-Level Data Integrity by Digital Ledger Technology
The rise of blockchain and Digital Ledger Technology DLT has gained wide traction. Instead of relying on a traditional centralized data authority, a blockchain system consists of digitally entangled block data shared across a distributed network. The specially designed chain data structure and it...
The CryptoNeo Threat Modelling Framework (CNTMF): Securing Neobanks and Fintech in Integrated Blockchain Ecosystems
The rapid integration of blockchain, cryptocurrency, and Web3 technologies into digital banks and fintech operations has created an integrated environment blending traditional financial systems with decentralised elements. This paper introduces the CryptoNeo Threat Modelling Framework CNTMF, a...
Evasion under Blockchain Sanctions
Sanctioning blockchain addresses has become a common regulatory response to malicious activities. However, enforcement on permissionless blockchains remains challenging due to complex transaction flows and sophisticated fund-obfuscation techniques. Using cryptocurrency mixing tool Tornado Cash as...
Large Language Models in Cybersecurity: Applications, Vulnerabilities, and Defense Techniques
Large Language Models LLMs are transforming cybersecurity by enabling intelligent, adaptive, and automated approaches to threat detection, vulnerability assessment, and incident response. With their advanced language understanding and contextual reasoning, LLMs surpass traditional methods in...
Code highlighting with Cursor AI for $500,000
Attacks that leverage malicious open-source packages are becoming a major and growing threat. This type of attacks currently seems commonplace, with reports of infected packages in repositories like PyPI or npm appearing almost daily. It would seem that increased scrutiny from researchers on thes...
Denial Of Service (DoS)
github.com/babylonlabs-io/babylon is vulnerable to Denial Of Service DoS. The vulnerability is due to sending a message that modifies the validator set exactly at the epoch boundary, which allows an attacker to halt the blockchain by disrupting consensus progression...
Hedge Funds on a Swamp: Analyzing Patterns, Vulnerabilities, and Defense Measures in Blockchain Bridges [Experiment, Analysis and Benchmark]
Blockchain bridges have become essential infrastructure for enabling interoperability across different blockchain networks, with more than $24B monthly bridge transaction volume. However, their growing adoption has been accompanied by a disproportionate rise in security breaches, making them the...
Integer Overflow
github.com/cosmos/cosmos-sdk is vulnerable to Integer Overflow. The vulnerability is due to a malicious validator being able to deposit values that trigger an overflow in the Validator Rewards pool, potentially halting the blockchain...
A Formal Refutation of the Blockchain Trilemma
The so-called blockchain trilemma asserts the impossibility of simultaneously achieving scalability, security, and decentralisation within a single blockchain protocol. In this paper, we formally refute that proposition. Employing predicate logic, formal automata theory, computational complexity...
Immutability Does Not Guarantee Trust: a Formal and Logical Refutation
It is frequently claimed in blockchain discourse that immutability guarantees trust. This paper rigorously refutes that assertion. We define immutability as the cryptographic persistence of historical states in an append-only data structure and contrast it with trust, understood as a rational...
Bullshark on Narwhal: Implementation-Level Workflow Analysis of Round-Based DAG Consensus in Theory and Practice
Round-based DAGs enable high-performance Byzantine fault-tolerant consensus, yet their technical advantages remain underutilized due to their short history. While research on consensus protocols is active in both academia and industry, many studies overlook implementation-level algorithms, leavin...
Static Analysis for Detecting Transaction Conflicts in Ethereum Smart Contracts
Ethereum smart contracts operate in a concurrent environment where multiple transactions can be submitted simultaneously. However, the Ethereum Virtual Machine EVM enforces sequential execution of transactions within each block to prevent conflicts arising from concurrent access to the same state...
Willchain: Decentralized, Privacy-Preserving, Self-Executing, Digital Wills
This work presents a novel decentralized protocol for digital estate planning that integrates advances distributed computing, and cryptography. The original proof-of-concept was constructed using purely solidity contracts. Since then, we have enhanced the implementation into a layer-1 protocol th...