Company: ABTC
Filing Date: 2025-09-03
Form Type: 424B5
Source: 0001213900-25-083737
Chunk: 4

Company: American Bitcoin Corp.
Filing Date: 2025-09-03
Form: 424B5
Chunk 4
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 offering.                                                                                    |

<div align='center'>S-iii</div>

You should carefully consider these risks when you make a decision concerning an investment in our Class A common stock. The following factors or events, among others, could cause actual results to differ materially from those described in the forward-looking statements:

| ● | our                                                                                       
 ability to establish and maintain strategic collaborations or other arrangements, and the 
 terms and timing of such arrangements;                                                    |

| ● | changes                                                                                           
 in our financial or operating performance or more generally due to broader stock market movements 
 and the performance of peer group companies;                                                      |

| ● | competitive                                   
 pressures in the markets in which we operate; |

| ● | changes                 
 in laws or regulations; |

| ● | physical                         
 risks related to climate change; |

| ● | changes                                                                                   
 in geopolitical, social or general economic conditions and other events and circumstances 
 in the United States or elsewhere; and                                                    |

We operate in a competitive
and rapidly changing environment. The risks and uncertainties described and referred to above are not exhaustive and further information
concerning us and our business, including factors that make an investment in our securities speculative or risky and any one of which
could potentially materially affect our business, financial condition, or operating results, may emerge from time to time. You should
read this prospectus supplement, the accompanying prospectus and the documents incorporated by reference herein and therein with the understanding
that our actual future results, performance, and achievements may be materially different from what we expect. We qualify all of our forward-looking
statements with these cautionary statements and urge you not to place undue reliance on any forward-looking statements. The forward-looking
statements in this prospectus supplement and the accompanying prospectus and the documents incorporated by reference herein and therein
speak only as of the date of such document. Except as required by law, we do not assume any obligation to update or revise these forward-looking
statements for any reason, even if new information becomes available in the future.

<div align='center'>S-iv

Summary</div>

The following summary highlights information contained elsewhere or incorporated by reference in this prospectus supplement and the accompanying prospectus. It may not contain all of the information that is important to you. Before making a decision to invest in our Class A common stock, you should carefully read this entire prospectus supplement and the accompanying prospectus, including the risks set forth under the caption “Risk Factors” in this prospectus supplement and in the documents incorporated by reference in