Subsidiaries

(Entity Name)

Jurisdiction

SecureTech

Ownership

Principal Activities

AI UltraProd, Inc.

Wyoming

100.0%

US holding company for AI 3D printing and additive manufacturing assets

Aiultraprod Group Limited

Hong Kong

100.0%

IP holding & Asia-Pacific sales hub

Zhejiang Jizhu Technology Company Limited

PRC

90.0% (indirect)

R&D, 3D printing, robotics manufacturing, and materials

Jizhu Technology (Huzhou) Company Limited

PRC

89.3% (indirect)

Scientific research and technical services

Piranha Blockchain, Inc.

Wyoming

100.0%

Cybersecurity & blockchain platforms

Piranha Blockchain, Ltd.

Anguilla

100.0%

International digital-asset services

Terra Nova Technologies, Inc.

Wyoming

100.0%

Top Kontrol brand holding entity

Top Kontrol, LLC

Wyoming

100.0%

Anti-theft/anti-carjacking systems