Company: BTBT
Filing Date: 2025-09-29
Form Type: 424B5
Source: 0001213900-25-093122
Chunk: 2

Company: Bit Digital, Inc
Filing Date: 2025-09-29
Form: 424B5
Chunk 2
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asdaq”) under the symbol “BTBT.” On September 26, 2025, the last reported sale price of our ordinary
shares on Nasdaq was $2.95.

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 the notes involves a high degree of risk. Please read “Risk Factors” beginning on page S-8 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, including our annual report on Form 10-K for the year ended December 31, 2024, our quarterly report on Form 10-Q for the fiscal period ended June 30, 2025 and our current report on Form 8-K filed on September 29, 2025.

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  
 NOTE |     | TOTAL |
|:------------------------------------------|:----|:-----|:----|:------|
| Price to public(1)                        |     | $    |     | $     |
| Underwriting discounts and commissions(2) |     | $    |     | $     |
| Proceeds to us, before expenses           |     | $    |     | $     |

| (1) | Plus accrued interest, if any, from October             ,                                                                           
 2025.                                                                                                                               |
| (2) | We refer you to “Underwriting”                                                                                                      
 beginning on page S-65 of this prospectus supplement for additional information regarding total underwriter compensation, including 
 our agreement to reimburse the underwriters for certain out-of-pocket expenses. As part of this offering, the underwriters intend   
 to allocate a portion of the Notes to themselves or certain of their affiliates.                                                    |

We have granted the underwriters an option to purchase up to an additional $15,000,000 aggregate principal amount of the notes on the same terms and conditions as set forth above within 30 days of the date of this prospectus supplement solely to