Company: BTBT
Filing Date: 2025-10-31
Form Type: S-3ASR
Source: 0001213900-25-104745
Chunk: 1

Company: Bit Digital, Inc
Filing Date: 2025-10-31
Form: S-3ASR
Chunk 1
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 Securities Act, check the following box and list the Securities Act registration statement number of
the earlier effective registration statement for the same offering. ☐

If this Form is a registration statement pursuant
to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant
to Rule 462(e) under the Securities Act, check the following box. þ

If this Form is a post-effective amendment to
a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities
pursuant to Rule 413(b) under the Securities Act, check the following box. ☐

Indicate by check mark whether the registrant
is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company.
See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company”
and “emerging growth company” in Rule 12b-2 of the Exchange Act.

| Large accelerated filer ☐ | Accelerated filer ☐         |
| Non-accelerated filer þ   | Smaller reporting company þ |
|                           | Emerging growth company ☐   |

If an emerging growth company, indicate by check
mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting
standards provided pursuant to Section 7(a)(2)(B) of Securities Act. ☐

<div align='center'>EXPLANATORY NOTE</div>

This registration statement contains two prospectuses:

| ● | a base prospectus, which covers the offering, issuance, and                                   
 sale by us of the securities identified below from time to time in one or more offerings; and |

| ● | a sales agreement prospectus supplement covering the offering,                                                                        
 issuance, and sale by us of up to a maximum aggregate offering price of up to $2.5 billion of our ordinary shares that may be issued  
 and sold from time to time pursuant to an at-the-market offering agreement, dated April 29, 2025, as amended on October 31, 2025 (the 
 “Sales Agreement”), with H.C. Wainwright & Co., LLC, as sales agent.                                                                  |

The base prospectus immediately follows this
explanatory note. The specific terms of any securities to be offered pursuant to the base prospectus will be specified in