LICDIA UNLu Blog https://licdia.unlu.edu.ar/blog/ Practical articles on Blockchain, Generative AI and Data Science from the LICDIA UNLu faculty. en Wed, 27 May 2026 12:00:00 -0300 Ethereum Mainnet vs L2: When to Use Each in 2026 https://licdia.unlu.edu.ar/blog/ethereum-mainnet-vs-l2-when-to-use-each-in-2026/ https://licdia.unlu.edu.ar/blog/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. Blockchain noreply@licdia.unlu.edu.ar (David Petrocelli) Wed, 27 May 2026 12:00:00 -0300 Your First Smart Contract with Solidity: From Zero to Deployed in 30 Minutes https://licdia.unlu.edu.ar/blog/your-first-smart-contract-with-solidity/ https://licdia.unlu.edu.ar/blog/your-first-smart-contract-with-solidity/ A practical walkthrough from zero to a deployed ERC-20 token on a testnet. Blockchain noreply@licdia.unlu.edu.ar (David Petrocelli) Wed, 27 May 2026 12:00:00 -0300 The Real Costs of Serving an LLM in Production (2026 Edition) https://licdia.unlu.edu.ar/blog/real-costs-of-serving-an-llm-in-production/ https://licdia.unlu.edu.ar/blog/real-costs-of-serving-an-llm-in-production/ What you actually pay per million tokens — broken down by API providers, self-hosted, and the hidden costs nobody mentions. Generative AI noreply@licdia.unlu.edu.ar (David Petrocelli) Wed, 27 May 2026 12:00:00 -0300 RAG vs Fine-Tuning: When to Use Each (and When Not To) https://licdia.unlu.edu.ar/blog/rag-vs-fine-tuning-when-to-use-each/ https://licdia.unlu.edu.ar/blog/rag-vs-fine-tuning-when-to-use-each/ A decision framework based on what you actually want the model to do, not what's trending. Generative AI noreply@licdia.unlu.edu.ar (David Petrocelli) Wed, 27 May 2026 12:00:00 -0300