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

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...

AgentRFC: Security Design Principles and Conformance Testing for Agent Protocols

AI agent protocols -- including MCP, A2A, ANP, and ACP -- enable autonomous agents to discover capabilities, delegate tasks, and compose services across trust boundaries. Despite massive deployment MCP alone has 97M+ monthly SDK downloads, no systematic security framework for these protocols...