v3.26.1
Document And Entity Information
6 Months Ended
Jun. 30, 2026
Document Information [Line Items]  
Entity Central Index Key 0002080215
Document Type S-1/A
Entity Registrant Name StablecoinX Inc.
Entity Incorporation, State or Country Code DE
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Flag true
Amendment Description Amendment No. 1