XI
Legal · Updated July 3, 2026

Imprint

Legal notice and contact information for STACK XI.

Operator

STACK XI is operated by Building Culture — a trust layer where people, communities, and builders earn reputation on Base. Product lead: Laszlo Bihary (Co-founder). Team: https://app.buildingcultureid.space/team

Responsible persons

Laszlo Bihary — Co-founder & product (Vienna, Austria). Reinhard Stix — Co-founder & real estate. Roman Horvath — Accountant. See the Building Culture team page for full bios and links.

Contact

Email: hello@buildingcultureid.space · Team: https://app.buildingcultureid.space/team

On-chain contracts

Smart contracts are deployed on Base mainnet. Verify addresses in-app and on BaseScan before interacting. Founding squad mints and BCC predictions are user-initiated wallet transactions.

Sponsored predictions

Promotional sponsored prediction stakes (first 77 unique wallets, 1,000 BCC each) are funded by the operator treasury via a dedicated sponsor contract. One sponsored slot per wallet while slots remain. Not a guarantee of winnings or future sponsorship.

Dispute resolution

For support regarding mints, predictions, sponsored stakes, or perks, contact us via email with your wallet address and transaction hash.

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