As filed with the Securities and Exchange Commission on December 11, 2025 Registration No. 333-291410 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Braiin Limited (Exact Name of Registrant as Specified in its Charter) (State or other jurisdiction (Primary Standard Industrial Classification Code Number) Australia 6770 98-1850021 (I.R.S. Employer Identification No.) 283 Rokeby Road Subiaco, Western Au ...