Company: FLDDW
Filing Date: 2025-01-27
Form Type: 425
Source: 0001213900-25-006885
Chunk: 0

Company: Fold Holdings, Inc.
Filing Date: 2025-01-27
Form: 425
Chunk 0
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<div align='center'>UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):
January 27, 2025

FTAC EMERALD ACQUISITION CORP.

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

| Delaware                        |     | 001-41168               |     | 86-2170416            |
| (State or other jurisdiction of 
 incorporation or organization)  |     | -Commission File Number |     | -I.R.S. Employer      
 Identification Number |

| 2929 Arch Street, Suite 1703             
 Philadelphia, PA                         |     |     19104 |
| (Address of principal executive offices) |     | -Zip Code |

<div align='center'>Registrant’s telephone number, including
area code: (215) 701-9555

Not Applicable

(Former name or former address,
if changed since last report)</div>

Check the appropriate box below if the Form 8-K
filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

| ☒ | Written                                                                       
 communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |

| ☐ | Soliciting                                                                  
 material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |

| ☐ | Pre-commencement                                                                      
 communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |

| ☐ | Pre-commencement                                                                      
 communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |

Securities registered pursuant to Section 12(b) of the Act:

| Title of each class                                                                                |     | Trading Symbol(s) |     | Name of each exchange on which registered |
| Units, each consisting of one share of Class A common stock and one-half of one redeemable warrant |     | FLDDU             |     | Pink Open Market                          |
| Class A common stock, par value $0.0001 per share                                                  |     | FLDD              |     | OTCQB Venture