Company: BTBT
Filing Date: 2025-06-25
Form Type: 424B5
Source: 0001213900-25-057815
Chunk: 1

Company: Bit Digital, Inc
Filing Date: 2025-06-25
Form: 424B5
Chunk 1
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, before expenses |     | $         |     | $     |

| (1) | We refer you to “Underwriting” beginning on page S-15 of this prospectus supplement for additional information regarding total underwriter compensation, including our agreement to reimburse the underwriters for certain out-of-pocket expenses. |

We have granted the underwriters an option for
30 days from the date of this prospectus supplement to purchase up to an additional of
our ordinary shares. See “Underwriting” for more information.

The underwriters expect to
deliver the ordinary shares on or about , 2025.

<div align='center'>Sole Book-Running Manager

B. Riley Securities

Prospectus Supplement dated , 2025

Table of Contents

Prospectus Supplement</div>

|                                                                 |     | Page  |
| ABOUT                                                           
 THIS PROSPECTUS SUPPLEMENT                                      |     | S-ii  |
| SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS               |     | S-iii |
| PROSPECTUS SUPPLEMENT SUMMARY                                   |     | S-1   |
| OUR BUSINESS                                                    |     | S-1   |
| THE OFFERING                                                    |     | S-3   |
| RISK FACTORS                                                    |     | S-4   |
| USE OF PROCEEDS                                                 |     | S-7   |
| DIVIDEND POLICY                                                 |     | S-8   |
| CAPITALIZATION                                                  |     | S-9   |
| TAXATION                                                        |     | S-10  |
| UNDERWRITING                                                    |     | S-15  |
| LEGAL MATTERS                                                   |     | S-23  |
| EXPERTS                                                         |     | S-23  |
| WHERE YOU CAN FIND MORE INFORMATION; INCORPORATION BY REFERENCE |     | S-24  |

<div align='center'>Prospectus</div>

|                                      |     | Page |
| ABOUT THIS PROSPECTUS                |     |   ii |
| FORWARD-LOOKING STATEMENTS           |     |  iii |
| WHERE YOU CAN FIND MORE INFORMATION; 
 INCORPORATION BY REFERENCE           |     |   iv |
| PROSPECTUS SUMMARY                   |     |    1 |
| RISK FACTORS                         |     |    4 |
| USE OF PROCEEDS                      |     |    5 |
| ENFORCEMENT OF CIVIL LIABILITIES     |     |    5 |
| TAX