Company: BTBT
Filing Date: 2025-10-31
Form Type: S-3ASR
Source: 0001213900-25-104745
Chunk: 0

Company: Bit Digital, Inc
Filing Date: 2025-10-31
Form: S-3ASR
Chunk 0
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<div align='center'>As filed with the Securities and Exchange Commission on October 31, 2025</div>

Registration No. 333-

<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM S-3

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

BIT DIGITAL, INC.

(Exact name of Registrant as specified in its charter)</div>

| Cayman Islands                  |     |                         6199 |     | 98-1606989         |
| (State or other jurisdiction of 
 incorporation or organization)  |     | -Primary Standard Industrial 
   Classification Code Number |     | -I.R.S. Employer   
 Identification No. |

<div align='center'>31 Hudson Yards, Floor 11, Suite 30

New York, New York 10001

(212) 463-5121

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Bit Digital USA, Inc.

31 Hudson Yards, Floor 11, Suite 30

New York, New York 10001

(212) 463-5121

(Name, address, including zip code, and telephone number, including area code, of agent for service)

With a copy to:</div>

| Laura Katherine Mann        
 Bryson Manning              
 White & Case LLP            
 609 Main Street, Suite 2900 
 Houston, Texas 77002        
 (713) 496-9700              |

Approximate date of commencement of proposed sale to the public:From time to time after this Registration Statement becomes effective.

If the only securities being registered on this
Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box: ☐

If any of the securities being registered on
this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities
offered only in connection with dividend or interest reinvestment plans, check the following box: þ

If this Form is filed to register additional securities
for an offering pursuant to Rule 462(b) under the Securities Act, please 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 post-effective amendment filed
pursuant to Rule 462(c) under the