Company: BTBT
Filing Date: 2025-07-15
Form Type: 424B5
Source: 0001213900-25-063950
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Company: Bit Digital, Inc
Filing Date: 2025-07-15
Form: 424B5
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Filed Pursuant to Rule 424(b)(5)

Registration Statement No.: 333-286841

PROSPECTUS SUPPLEMENT
(to Prospectus dated June 20, 2025)

<div align='center'>22,000,000 Ordinary Shares

Bit Digital, Inc.</div>

We are offering 22,000,000 of our ordinary shares, par value $.01 (“ordinary
shares”), directly to certain institutional investors at an offering price of $3.0600 per share pursuant to this prospectus supplement
and the accompanying prospectus.

Our
ordinary shares are listed on the Nasdaq Capital Market (“Nasdaq”) under the symbol “BTBT.” On July 11, 2025,
the last reported sale price of our ordinary shares on Nasdaq was $3.33.

We are a “smaller reporting
company” under applicable Securities and Exchange Commission, or the SEC, rules and, as such, have elected to comply with certain
reduced public company disclosure requirements for this prospectus supplement. See “Prospectus Supplement Summary—Smaller
Reporting Company” on page S-2 of this prospectus supplement for more information.

Investing in our ordinary shares involves a high degree of risk. Please read “Risk Factors” beginning on page S-4 of this prospectus supplement, on page 4 of the accompanying prospectus and in the documents incorporated by reference into this prospectus supplement and the accompanying prospectus.

We
have engaged B. Riley Securities, Inc. (the “placement agent”), as our exclusive placement agent in connection with this
registered direct offering. The Placement Agent is not purchasing the securities offered by us on behalf of any investors in the registered
direct offering and is not required to sell any specific number or dollar amount of securities, but will assist us in connection with
such offering on a reasonable best efforts basis. As part of this offering, the placement agent and/or its affiliates will purchase 825,000
ordinary shares from us.

Neither the SEC nor any state securities commission has approved or disapproved of these securities or determined if this prospectus supplement or the accompanying prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

|                                 |     | PER   
 SHARE |        |     | TOTAL |            |
|:--------------------------------|:----|:------|-------:|:----|:------|-----------:|
| Offering price                  |     | $     | 3.0600 |     | $     | 67,