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Notes I write down so I don't pay for the same lesson twice.

Field notes from real builds — grounded LLM apps, on-chain systems, automation at scale, and what winning a 48-hour hackathon actually teaches you. No fluff, no theory I haven't shipped.

The Creditopia peer-to-peer lending dashboard
Blockchain
3 min read

Inside Creditopia: The Anatomy of an On-Chain Lending App

A visual teardown of the P2P lending platform that won Chain Fusion — the lending loop, the smart-contract core, the demo, and the numbers behind it. Screenshots, diagrams, code, and video.

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AI / LLM
2 min read

Building Ask Alfara: A Grounded, Provider-Agnostic LLM Chat

The chat on this site is a production LLM app I built end to end — Next.js route handler, Vercel AI SDK v7, OpenRouter, Upstash rate limiting, streaming. Here is how it stays grounded and cheap.

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The ShopeeLaku multi-store automation dashboard
Automation
2 min read

Automating 10,000+ Products Across 30 Stores: Architecture Notes

The queue-driven design behind ShopeeLaku's dropshipping automation, and why days of manual product management collapsed into minutes.

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AI / Research
3 min read

An LLM-Based Conversational Recommender for Long-Term Crypto Portfolios

How I built and published a conversational recommender that personalizes long-term cryptocurrency portfolios, and what a language model actually adds on top of the numbers. Presented at IEEE ICoICT 2025.

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Blockchain
2 min read

EVM vs Non-EVM for Enterprise Traceability: What I Learned at HARA

Benchmarking Avalanche, Polygon, Hedera, and Ripple against Hyperledger for a real enterprise supply-chain traceability system, and where each one actually breaks under enterprise constraints.

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The team presenting Creditopia at the Chain Fusion Hacker House
Blockchain
2 min read

48 Hours, 100+ Teams, One P2P Lending App: Winning Chain Fusion with Creditopia

What it actually takes to win a 48-hour international hackathon — the technical bet on ICP, the scope discipline, and the decisions we made at hour 30 that mattered more than the code.

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