Latest published articles

Ethereum Client Cache Correctness Beats Unproven Speed

A small Ethereum client patch exposes a large engineering rule: cache correctness can be measured, while performance claims need benchmarks. On July 25, a six line peer cache change appeared as a broader state trie optimization closed without merging.

Alphabet AI Capex Puts Cloud Growth to a Hard Test

Alphabet has turned the AI race into a capital spending problem with very large numbers attached. The company now points to 2026 capital expenditure of $195 billion to $205 billion, while revenue growth says demand is real and free cash flow says the bill is real too.

Ethereum Geth Fixes RPC Simulation and Tracing Risk

Ethereum client work is often boring until it is not. Two Geth fixes landed around July 22, 2026, and both point at the same practical issue: simulation and tracing paths need the same defensive checks as normal transaction paths.

Novartis Sales Growth Tests the Pharma Patent Cliff

Novartis gave health investors a clean case study in the patent cliff problem on July 21, 2026. Sales grew again in Q2, but the route was not smooth. New medicines had to run hard just to offset copycat pressure on older blockbusters.

AI Data Center Debt Tests Big Tech Valuations in 2026

AI data center finance is becoming a capital structure story, not only a chip story. On July 20, 2026, the market had to price two facts at once: tens of billions of dollars are still moving into compute infrastructure, while equity indices are starting to ask harder questions about returns. The simple version was easy: more models meant more GPUs, more data centers, and higher valuations, but the harder version starts when debt, rates, oil, and occupancy risk enter the same spreadsheet.

PascalFi

PascalFi explores the intersection of quantitative methods and practical investing. Named after Blaise Pascal, the mathematician who laid the groundwork for probability theory, this blog applies data-driven thinking to investment decisions. The art …

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