Ownership

ALTCHA is developed and sold by BAU Software s.r.o., Czechia, EU. The company is wholly Czech-owned, with no foreign investments or liabilities.

BAU Software s.r.o.
Lidická 700/19
Brno, 602 00
Czechia

VAT: CZ19414480

Trademark

ALTCHA is an EU-registered trademark (No. 019015396) owned by Daniel Regeci, the project creator and company founder.

Copyright

© 2023–2026 BAU Software s.r.o. All rights reserved.

Open Source License

Our open-source software, libraries, and tools available at github.com/altcha-org are typically licensed under the MIT License (verify individual repositories for exceptions).