Simpson Thacher & Bartlett

ICBC TOWER, 35^TH FLOOR

3 GARDEN ROAD

HONG KONG

TELEPHONE: +852-2514-7600

FACSIMILE: +852-2869-7694

November 5, 2019

VIA EDGAR

Division of Corporation Finance

U.S. Securities and Exchange Commission

100 F Street, N.E.

Mail Stop 4561

Washington, D.C. 20549

Ladies and Gentlemen:

On behalf of our client, Canaan Inc., an exempted company incorporated under the laws of the Cayman Islands with limited liability (the “Company”), we are filing herewith Amendment No. 1 (“Amendment No. 1”) to the Company’s above-referenced Registration Statement on Form F-1 (the “Registration Statement”) via EDGAR with the Securities and Exchange Commission (the “Commission”) under the Securities Act of 1933, as amended (the “Securities Act”).

We enclose herewith five (5) courtesy copies of Amendment No. 1, which has been marked to show changes to the Company’s Registration Statement filed with the Commission on October 28, 2019 (the “October 28 Filing”).

Simpson Thacher & Bartlett

November 5, 2019

The Company will commence its road show activities on November 13, 2019 and expects to price the initial public offering on or about November 19, 2019. We would greatly appreciate the Staff’s willingness to work with the Company to achieve this offering timetable.

On behalf of the Company, we wish to thank you and the other members of the Staff of the Commission for your prompt review of the October 28 Filing.

Simpson Thacher & Bartlett

November 5, 2019

If you have any question regarding the Registration Statement, please do not hesitate to contact me at +852-2514-7650 (work), +852-9198-4235 (mobile) or clin@stblaw.com (email) or Howie Farn at +852-2514-7668 (work), +852-6710-2672 (mobile) or hfarn@stblaw.com (email).