2 papers
cs.CR2026
PDoS: A Profitable Denial-of-Service Attack against Proof-of-Work Blockchain Liveness
Junjie Hu, Tianzhu Han, Na Ruan
The security and liveness of Proof-of-Work (PoW) blockchains fundamentally depend on the economic rationality of miners. Existing incentive-driven denial-of-service attacks, such a…
cs.CR2026
ShareLock: A Stealthy Multi-Tool Threshold Poisoning Attack Against MCP
Liwei Liu, Tianzhu Han, Zijian Liu +2
With the rapid evolution of LLM-driven agents, Model Context Protocol (MCP), an open protocol bridging LLMs with external tools, has quickly become foundational to modern agent eco…