zach's tech blog

January 2026

Why did AMD’s random number generator start returning 0x0000?

And why cryptographic randomness matters.

Jan 5 • zach

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December 2025

Why did Nvidia acqui-hire Groq?

And why not SambaNova, Cerebras, or d-Matrix?

Dec 26, 2025 • zach

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The 2025 Zach's Tech Blog Holiday Roundup

We made it through another year!

Dec 24, 2025 • zach

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Why did Irreducible fail?

The ZKP chip market and the AI chip market aren’t the same.

Dec 1, 2025 • zach

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November 2025

Why did Cadence acquire ChipStack?

And what does it mean for other AI EDA startups?

Nov 11, 2025 • zach

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So, I have to talk about Extropic.

It’s probabilistically nothing, right?

Nov 4, 2025 • zach

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October 2025

Making Unconventional Computing Practical

Lessons learned from building weird chips for years.

Oct 22, 2025 • zach

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September 2025

August 2025

How did AMD’s secure enclave get hacked?

Trusting TEEs is harder than you’d think.

Aug 18, 2025 • zach

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Why did Tesla Dojo fail?

Building training chips is a unique challenge.

Aug 11, 2025 • zach

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July 2025

Sabotaging AI models with GPUHammer

AI chips continue to be insecure.

Jul 22, 2025 • zach

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