Nikolay Ivanov

Adaptive Retrieval Without Self-Knowledge? Bringing Uncertainty Back Home

2025 · arXiv (Cornell University)

Retrieval Augmented Generation (RAG) improves correctness of Question Answering (QA) and addresses hallucinations in Large Language Models (LLMs), yet greatly increase computational costs. Besides, RAG is not always needed as may introduce irrelevant information. Recent …

Quantifying the Risk of Out-of-Gas Conditions in Ethereum Smart Contracts

2025

Ethereum smart contracts operate with hundreds of billions of dollars, promising algorithmic fairness and guaranteed execution. But in reality, the guaranteed execution promise is often unfulfilled. For instance, a smart contract might reject the withdrawal …