Analyzing Blockchain Transactions and Contracts

Learn how to read, analyze, and interpret blockchain transactions and smart contracts. Serge Nedashkovsky, an experienced blockchain analyst, shares insights into onchain data, common tools, and advanced analysis practices across Ethereum and Cosmos.

• 🔹 Why onchain data matters: tracking activity, project health, and security risks.
• 🔹 How transactions and contracts are structured in EVM-based chains.
• 🔹 How to decode transaction hashes, traces, events, and internal calls.
• 🔹 How to read contract code, ABI, and storage state.
• 🔹 Top tools for blockchain analysis: Etherscan, Bloxy, Dune, Nansen, Glassnode, BitQuery, and more.
• 🔹 Understanding modern analytics pipelines: from archive nodes to SQL and dashboards.
• 🔹 Using BigQuery and open-source tools for custom data analysis.
• 🔹 Privacy in blockchain: what’s still possible to hide, and what’s exposed.
• 🔹 The future of blockchain analytics: machine learning, graph models, and decentralized datasets.