The CTO Letter

Technical Clarity
for Founders Who Build.

Plain-English explanations of the technical risks, decisions, and tradeoffs that determine whether a startup survives its first investor, its first breach, and its first viral moment.

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Every Post, Searchable by Risk Area

The CTO Letter

One Risk, Explained.
Every Week.

Each issue covers one technical risk area in plain English — what it is, why it matters, and exactly what to do about it. No jargon. No padding. Just clarity.