Company: ABTC
Filing Date: 2025-07-31
Form Type: 424B3
Source: 0001213900-25-069998
Chunk: 774

Company: American Bitcoin Corp.
Filing Date: 2025-07-31
Form: 424B3
Chunk 774
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 manner to the end that the Transactions are fulfilled to the fullest extent possible. Annex D-7 4.11 Assignment . Neither this Agreement nor any of the rights, interests or obligations under this Agreement shall be assigned, in whole or in part, by any of the parties hereto without the prior written consent of the other party hereto. Any purported assignment without such consent shall be void. Subject to the preceding sentences, this Agreement will be binding upon, inure to the benefit of, and be enforceable by, the parties hereto and their respective successors and permitted assigns. [ Remainder of page left intentionally blank ] Annex D-8

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed and delivered as of the date first above written.

| COMPANY:               |     |                 |     |                         |
| AMERICAN BITCOIN CORP. |     |                 |     |                         |
| By:                    |     | /s/ Matt Prusak |     |                         |
|                        |     | Name:           |     | Matt Prusak             |
|                        |     | Title:          |     | Chief Executive Officer |

[ Signature Page to Voting and Support Agreement ]

Annex D-9

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed and delivered as of the date first above written.

| Anchorage Lending CA, LLC |     |                   |     |                      |
| By:                       |     | /s/ Julie Veltman |     |                      |
|                           |     | Name:             |     | Julie Veltman        |
|                           |     | Title:            |     | Authorized Signatory |

| Address and Email Address:                                            |
| Shares Beneficially Owned:                                            |
| Parent Common Stock: 8,287,984                                        |
| Shares Underlying Warrants to Purchase Parent Common Stock: 5,530,198 |
| Parent Equity Awards:                                                 |

[ Signature Page to Voting and Support Agreement ]

Annex D-10 Annex E FORM OF VOTING AND SUPPORT AGREEMENT This VOTING AND SUPPORT AGREEMENT (this “ Agreement ”) is entered into as of May 9, 2025, by and between Gryphon Digital Mining, Inc., a Delaware corporation (“ Parent ”), and the undersigned stockholder (the “ Stockholder ”) of American Bitcoin Corp., a Delaware corporation (the “ Company ”). Capitalized terms used but not