Measuring CEX-DEX Extracted Value and Searcher Profitability: the Darkest of the MEV Dark Forest

This paper provides a comprehensive empirical analysis of the economics and dynamics behind arbitrages between centralized and decentralized exchanges CEX-DEX on Ethereum. We refine heuristics to identify arbitrage transactions from on-chain data and introduce a robust empirical framework to...

Are Crypto Ecosystems (De)Centralizing? A Framework for Longitudinal Analysis

Blockchain technology relies on decentralization to resist faults and attacks while operating without trusted intermediaries. Although industry experts have touted decentralization as central to their promise and disruptive potential, it is still unclear whether the crypto ecosystems built around...

An Empirical Analysis of EOS Blockchain: Architecture, Contract, and Security

With the rapid development of blockchain technology, various blockchain systems are exhibiting vitality and potential. As a representative of Blockchain 3.0, the EOS blockchain has been regarded as a strong competitor to Ethereum. Nevertheless, compared with Bitcoin and Ethereum, academic researc...

Centralized Trust in Decentralized Systems: Unveiling Hidden Contradictions in Blockchain and Cryptocurrency

Blockchain technology promises to democratize finance and promote social equity through decentralization, but questions remain about whether current implementations advance or hinder these goals. Through a mixed-methods study combining semi-structured interviews with 13 diverse blockchain...

Privacy-Aware Berrut Approximated Coded Computing Applied to General Distributed Learning

Coded computing is one of the techniques that can be used for privacy protection in Federated Learning. However, most of the constructions used for coded computing work only under the assumption that the computations involved are exact, generally restricted to special classes of functions, and...

Redefining Hybrid Blockchains: a Balanced Architecture

Blockchain technology has completely revolutionized the field of decentralized finance with the emergence of a variety of cryptocurrencies and digital assets. However, widespread adoption of this technology by governments and enterprises has been limited by concerns regarding the technology's...

A Comment on "E-PoS: Making PoS Decentralized and Fair"

Proof-of-Stake PoS is a prominent Sybil control mechanism for blockchain-based systems. In "e-PoS: Making PoS Decentralized and Fair," Saad et al. TPDS'21 introduced a new Proof-of-Stake protocol, e-PoS, to enhance PoS applications' decentralization and fairness. In this comment paper, we address...

Blockchain Application in Metaverse: a Review

In recent years, the term Metaverse emerged as one of the most compelling concepts, captivating the interest of international companies such as Tencent, ByteDance, Microsoft, and Facebook. These company recognized the Metaverse as a pivotal element for future success and have since made significa...

How Bitcoin’s digital signature feature facilitates Web3 adoption

Bitcoin is a pioneer in technological advancement and decentralization. As its creator states in the white paper, peer-to-peer…...

open-webui Insecure Direct Object Reference (IDOR) vulnerability

An Insecure Direct Object Reference IDOR vulnerability exists in open-webui/open-webui version v0.3.8. The vulnerability occurs in the API endpoint http://0.0.0.0:3000/api/v1/memories/id/update, where the decentralization design is flawed, allowing attackers to edit other users' memories without...

GHSA-XCVC-5HGV-PHQG open-webui Insecure Direct Object Reference (IDOR) vulnerability

An Insecure Direct Object Reference IDOR vulnerability exists in open-webui/open-webui version v0.3.8. The vulnerability occurs in the API endpoint http://0.0.0.0:3000/api/v1/memories/id/update, where the decentralization design is flawed, allowing attackers to edit other users' memories without...

CVE-2024-7041

An Insecure Direct Object Reference IDOR vulnerability exists in open-webui/open-webui version v0.3.8. The vulnerability occurs in the API endpoint http://0.0.0.0:3000/api/v1/memories/id/update, where the decentralization design is flawed, allowing attackers to edit other users' memories without...

CVE-2024-7041 IDOR in open-webui/open-webui

An Insecure Direct Object Reference IDOR vulnerability exists in open-webui/open-webui version v0.3.8. The vulnerability occurs in the API endpoint http://0.0.0.0:3000/api/v1/memories/id/update, where the decentralization design is flawed, allowing attackers to edit other users' memories without...

CVE-2024-7041 IDOR in open-webui/open-webui

An Insecure Direct Object Reference IDOR vulnerability exists in open-webui/open-webui version v0.3.8. The vulnerability occurs in the API endpoint http://0.0.0.0:3000/api/v1/memories/id/update, where the decentralization design is flawed, allowing attackers to edit other users' memories without...

CVE-2024-7041

CVE-2024-7041 affects open-webui/open-webui v0.3.8, with an Insecure Direct Object Reference (IDOR) in the API endpoint /api/v1/memories/{id}/update. The flaw stems from inadequate access controls, allowing an attacker to edit other users’ memories without proper authorization. Public/connected s...

What is the Fediverse and the Social Network Platforms It Powers

Discover the Fediverse, a decentralized social media network promoting interoperability, privacy, and customization. Explore its pros, cons, platforms like Mastodon and PeerTube, and the role of decentralization. A game-changer in online communication and community-building...

PT-2023-27341

Name of the Vulnerable Software and Affected Versions No specific software or versions are mentioned in the provided description. Description The issue concerns a lightning vulnerability related to replacement cycling attacks. It is noted that decentralization is viewed as a spectrum, but it does...

ChainLink should be used as an Oracle for messaging instead of Google Cloud

Lines of code Vulnerability details Impact Each User Application contract e.g. BranchBidgeAgent built on LayerZero will work without configuration using defaults, but a UA will also be able to configure its own. Maia intends to use the default config. However, Google Cloud Oracle is the default a...

Important: git security update

Git is a distributed revision control system with a decentralized architecture. As opposed to centralized version control systems with a client-server model, Git ensures that each working copy of a Git repository is an exact copy with complete revision history. This not only allows the user to wo...

Uncovering (and Understanding) the Hidden Risks of SaaS Apps

Recent data breaches across CircleCI, LastPass, and Okta underscore a common theme: The enterprise SaaS stacks connected to these industry-leading apps can be at serious risk for compromise. CircleCI, for example, plays an integral, SaaS-to-SaaS role for SaaS app development. Similarly, tens of...