PhishChain: A Decentralized and Transparent System to Blacklist Phishing URLs
Shehan Edirimannage, Mohamed Nabeel, Charith Elvitigala, Chamath, Keppitiyagama

TL;DR
PhishChain introduces a decentralized, transparent blockchain-based system for blacklisting phishing URLs, enhancing security by removing central authority reliance and ensuring immutable, crowd-sourced verification of malicious sites.
Contribution
The paper presents a novel blockchain system with a page rank based algorithm for transparent, decentralized phishing URL blacklisting, including a user incentive mechanism.
Findings
Blockchain ensures transparency and decentralization.
Page rank algorithm effectively assesses phishing URLs.
User participation incentivized with skill points.
Abstract
Blacklists are a widely-used Internet security mechanism to protect Internet users from financial scams, malicious web pages and other cyber attacks based on blacklisted URLs. In this demo, we introduce PhishChain, a transparent and decentralized system to blacklisting phishing URLs. At present, public/private domain blacklists, such as PhishTank, CryptoScamDB, and APWG, are maintained by a centralized authority, but operate in a crowd sourcing fashion to create a manually verified blacklist periodically. In addition to being a single point of failure, the blacklisting process utilized by such systems is not transparent. We utilize the blockchain technology to support transparency and decentralization, where no single authority is controlling the blacklist and all operations are recorded in an immutable distributed ledger. Further, we design a page rank based truth discovery algorithm…
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Taxonomy
TopicsSpam and Phishing Detection · Internet Traffic Analysis and Secure E-voting · Misinformation and Its Impacts
