Blockchain Attacks and Defenses: A Layered and Cross-Domain Survey

• URL: http://arxiv.org/abs/2607.06593v1
• Date: Mon, 06 Jul 2026 08:53:22 GMT
• Title: Blockchain Attacks and Defenses: A Layered and Cross-Domain Survey
• Abstract summary: We focus on the research of blockchain attacks and defenses.<n>How has the research in blockchain security evolved over the past decade?<n>What are the driving needs for Web3 security research in the future?
• Score: 10.296031015250808
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Blockchains have evolved from simple distributed ledgers into programmable platforms that process complex application logic and carry significant financial value. All modern Web3 systems share a common goal: providing secure, decentralized, and trustworthy execution in an increasingly interconnected environment. However, this evolution has shifted the attack surface from isolated infrastructure disruptions to programmable economic abuse and cross-domain exploits. In this article, we focus on the research of blockchain attacks and defenses. In particular, we categorize the threat landscape and corresponding mitigation strategies according to both a four-tier layered architecture (network, cryptographic, consensus, and application) and cross-domain trust boundaries. We seek to answer these important questions: How has the research in blockchain security evolved over the past decade, especially with the rise of decentralized finance (DeFi) and cross-chain interoperability? How do local security assumptions fail when protocols are composed, and what are the driving needs for Web3 security research in the future?

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