# EDGAR Filing Document

**Accession Number:** 0002042292
**File Stem:** 9999999995-25-003142
**Filing Date:** 2025-9
**Character Count:** 1408
**Document Hash:** d1995466ba337b25e2fe9e3b68c6cad2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-25-003142.hdr.sgml**: 20250930

**ACCESSION NUMBER**: 9999999995-25-003142

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250929

**DATE AS OF CHANGE**: 20250930

**EFFECTIVENESS DATE**: 20250929

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BTC Development Corp.
- **CENTRAL INDEX KEY:** 0002042292
- **STANDARD INDUSTRIAL CLASSIFICATION:** BLANK CHECKS [6770]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 981816717
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-289705
- **FILM NUMBER:** 251358008

**BUSINESS ADDRESS:**
- **STREET 1:** 2929 ARCH STREET, SUITE 1703
- **CITY:** PHILADELPHIA
- **STATE:** PA
- **ZIP:** 19104
- **BUSINESS PHONE:** (215) 701-9555

**MAIL ADDRESS:**
- **STREET 1:** 2929 ARCH STREET, SUITE 1703
- **CITY:** PHILADELPHIA
- **STATE:** PA
- **ZIP:** 19104

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Emerald Acquisition Corp. II
- **DATE OF NAME CHANGE:** 20241023

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** September 29, 2025

**Time:** 16:00:00

**Form Type:** S-1

---

**CIK:** 0002042292

**Company Name:** BTC Development Corp.

**File Number:** 333-289705