If the issue is already public, open an issue on the affected repository. If it is not, email dev@nfteria.click. Include what the issue is, which component it affects, and how to reproduce it.
There is no bug bounty.
The repositories published under this organization. NFTeria's product is UNICA, which is testnet only: there is no mainnet deployment and no real value at risk. UNICA's own security policy is in its repository.
Out of scope: third-party services, denial of service, social engineering, and physical access.
Security Advisory 001, a Critical finding in the UNICA V2 release candidate, is published in the UNICA repository. V2 is blocked and deployed nowhere; no deployed release is affected by it.