Company: ABTC
Filing Date: 2025-09-03
Form Type: 424B5
Source: 0001213900-25-083737
Chunk: 6

Company: American Bitcoin Corp.
Filing Date: 2025-09-03
Form: 424B5
Chunk 6
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 incorporated
by reference herein (the “Pro Forma Financial Statements”).

Our Corporate Information

Our principal executive offices
are located at 1101 Brickell Avenue, Suite 1500, Miami, FL 33131 and our telephone number is (305) 224-6427. We were incorporated in the
State of Delaware on October 3, 2018. We maintain a website at www.americanbtc.com. The information found on, or otherwise accessible
through, our website is not incorporated by reference in this prospectus supplement or the accompanying prospectus, and you should not
consider it a part of this prospectus supplement or the accompanying prospectus.

<div align='center'>S-1</div>

The Offering

| Issuer                             | American Bitcoin Corp.                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Class A common stock offered by us | Shares of our Class A common stock having an aggregate offering price of up to $2,100,000,000.                                                                                                                                                                                                                                                                                                                                                                                            |
| Use of Proceeds                    | We intend to use the net proceeds, if any, from this offering to purchase Bitcoin, purchase Bitcoin                                                                                                                                                                                                                                                                                                                                                                                       
 mining application-specific integrated circuit machines (“ASICs”) and for other general corporate purposes. See “Use                                                                                                                                                                                                                                                                                                                                                                      
 of Proceeds.”                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| Risk Factors                       | Investing in our Class A common stock involves a high degree of risk. Prospective investors should carefully consider the matters discussed under the caption entitled “Risk Factors” on page S-3 of this prospectus supplement and in the documents incorporated by reference herein, our future periodic reports as well as the other information contained or incorporated by reference in this prospectus supplement, before making a decision to invest in our Class A common stock. |
| Nasdaq trading symbol              | ABTC                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |

<div align='center'>S-2

Risk
Factors</div>

Investing in our Class A common
stock involves a high degree of risk. You should carefully consider the risks described below in addition to those described in the section
entitled “Risk Factors” in the Annual Report, any subsequent Quarterly Reports on Form 10-Q (which descriptions are incorporated
by reference herein) and any Current Reports on Form 8-K, including our Current Report on Form 8-K filed with the SEC on September 3,
2025, as well as the other information contained or incorporated by reference in this prospectus supplement as updated by our subsequent
filings under the Exchange Act