LICDIA Blog

Practical articles on Blockchain, Generative AI and Data Science — written by the LICDIA UNLu faculty.

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Blockchain
2026-05-27 · David Petrocelli

Ethereum Mainnet vs L2: When to Use Each in 2026

A no-nonsense framework to decide between L1 and L2 based on what your contract actually does.

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Blockchain
2026-05-27 · David Petrocelli

Your First Smart Contract with Solidity: From Zero to Deployed in 30 Minutes

A practical walkthrough from zero to a deployed ERC-20 token on a testnet.

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Generative AI
2026-05-27 · David Petrocelli

The Real Costs of Serving an LLM in Production (2026 Edition)

What you actually pay per million tokens — broken down by API providers, self-hosted, and the hidden costs nobody mentions.

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Generative AI
2026-05-27 · David Petrocelli

RAG vs Fine-Tuning: When to Use Each (and When Not To)

A decision framework based on what you actually want the model to do, not what's trending.

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