Roy Philip

Writing from real work

Experiments, failures, and systems that had to work.

Technical writing grounded in builds, production constraints, and published evidence.

Hero image for Building a Financial-Grade Etherscan SDK in 48 Hours

Building a Financial-Grade Etherscan SDK in 48 Hours

How we rebuilt the Etherscan V2 client from scratch to solve financial precision, runtime validation, and rate limiting for blockchain investment infrastructure.

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JSON vs. XML: A Data-Driven Analysis of LLM Parsing Efficiency

We tested 12 major LLMs across 8 companies. A definitive, data-driven analysis reveals that format preference is dictated by a model's underlying architecture, not a universal rule.