---
title: "Double blockade: what it means · The AI Compute Race · DRYBURGH"
source: https://dryburgh.com/vol1/glossary/double-blockade
description: "Double blockade: Washington's and Beijing's blocks on the same trade in chips."
---

# Double blockade

What does “Double blockade” mean?

Double blockadeWashington’s and Beijing’s blocks on the same trade in chips. Washington’s is a license it may refuse, by a published rule or on terms disclosed by the company it binds; Beijing’s is a refusal to buy, given as an unpublished word at its border and known only through sources. *Chapter 7.*

From *The AI Compute Race*. [Read the book](https://dryburgh.com/vol1#buy)

The book uses this term in a sense of its own.

Defined in [Chapter 7 — The Double Blockade](https://dryburgh.com/vol1/notes/chapter-7).

## Where the book uses it

- [Chapter 7 — The Double Blockade](https://dryburgh.com/vol1/notes/chapter-7)Two governments deciding one trade: Washington’s export rules and Beijing’s instructions at the border, and what each did to the chip business it meant to shape.

## Also discussed in

- Chapter notes [Chapter 7 — The Double Blockade](https://dryburgh.com/vol1/notes/chapter-7)

## Related terms

- [Affiliates rule](https://dryburgh.com/vol1/glossary/affiliates-rule)
- [Cut-out](https://dryburgh.com/vol1/glossary/cut-out)
- [Entity List](https://dryburgh.com/vol1/glossary/entity-list)
- [EUV](https://dryburgh.com/vol1/glossary/euv)
- [Export controls](https://dryburgh.com/vol1/glossary/export-controls)
- [H20](https://dryburgh.com/vol1/glossary/h20)
- [H200](https://dryburgh.com/vol1/glossary/h200)
- [SemiAnalysis](https://dryburgh.com/vol1/glossary/semianalysis)
- [SpaceXSI](https://dryburgh.com/vol1/glossary/spacexsi)

From the glossary of The AI Compute Race.

- [Campuses](https://dryburgh.com/vol1/ledger)
- [Tests](https://dryburgh.com/vol1/tests)
- [Scorecard](https://dryburgh.com/vol1/scorecard)
- [Data](https://dryburgh.com/vol1/data/releases)
- [Chapter by chapter](https://dryburgh.com/vol1/companion)
- [The record at a glance](https://dryburgh.com/vol1/observatory)
- [The machine](https://dryburgh.com/vol1/machine)
- [One campus, four futures](https://dryburgh.com/vol1/hyperion)
- [Glossary](https://dryburgh.com/vol1/glossary)
- [People](https://dryburgh.com/vol1/people)
- [Sources](https://dryburgh.com/vol1/sources)
- [Notes](https://dryburgh.com/vol1/notes)
- [Where the book was wrong](https://dryburgh.com/vol1/corrections)
- [Where its sources were wrong](https://dryburgh.com/corrections?book=vol1)
- [The Paper](https://dryburgh.com/vol1/paper)
- [Consent](https://dryburgh.com/vol1/consent)
- [Who builds and pays](https://dryburgh.com/vol1/parties)

*The AI Compute Race: Five Races, One Machine* is a book by Lee S. Dryburgh, the first volume of THE COMPUTE ECONOMY, published by Dryburgh, an imprint of Contestra OÜ, Tallinn, Estonia; its record closes on 8 November 2026.

[About the book](https://dryburgh.com/vol1)[Tell me when it is out](https://dryburgh.com/vol1#notify)
