Company: CIFRW
Filing Date: 2025-05-22
Form Type: 424B5
Source: 0001193125-25-124290
Chunk: 2

Company: Cipher Mining Inc.
Filing Date: 2025-05-22
Form: 424B5
Chunk 2
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 contains an accompanying base prospectus relating to sales of shares of common stock and other securities by Cipher Mining Inc. and gives more general information,
some of which may not apply to this offering. Generally, when we refer to the “prospectuses,” we are referring to this prospectus supplement and the accompanying base prospectus combined. Unless otherwise indicated, capitalized terms used
but not defined herein have the meaning assigned to them in the registration statement of which this prospectus supplement forms a part. You should read the entire prospectus supplement, as well as the accompanying base prospectus and the documents
incorporated by reference that are described under “Incorporation of Certain Information by Reference” in this prospectus supplement. To the extent that any statement we make in this prospectus supplement is inconsistent with statements
made in the accompanying base prospectus or any documents incorporated by reference herein, you should rely on the information contained in this prospectus supplement, which will be deemed to modify or supersede those made in the accompanying
prospectus or documents incorporated by reference herein or therein.

You should rely only on the information included or incorporated by
reference in this prospectus supplement and the accompanying base prospectus prepared by us or on behalf of us or to which we have referred you. Neither we, the Underwriter nor any of our or their representatives have authorized any other person to
provide you with information different from that included or incorporated by reference in this prospectus supplement and the accompanying base prospectus. If anyone provides you with different or inconsistent information, you should not rely on it.
Neither we nor the Underwriter are making an offer to sell these securities in any jurisdiction where an offer or sale is not permitted. The information in this prospectus supplement, and the information in the accompanying base prospectus or
contained in any document incorporated by reference is accurate only as of the date of such prospectus or document incorporated by reference, regardless of the time of delivery of this prospectus supplement or any sale of our common stock. Our
business, financial condition, results of operations and prospects may have changed since that date.

This prospectus supplement contains
forward-looking statements that are subject to a number of risks and uncertainties, many of which are beyond our control. Please read the sections entitled “Risk Factors” and “Cautionary Statement Regarding Forward-Looking
Statements.”

TRADEMARKS AND TRADE NAMES

This prospectus supplement, the accompanying base prospectus and the information incorporated by reference herein and therein include
trademarks, service marks and