Technically, yes. It’s possible for someone to create a duplicate NFT on another blockchain using the same file. These are often referred to as “copycat NFTs”—tokens that mimic or replicate an original NFT, potentially misleading others or undermining the original’s authenticity.
However, EMOZ is designed to prevent confusion or disputes through multiple layers of verifiable precedence:
One certificate per file, on a single blockchain (currently Polygon).
File identity is secured via SHA-256 fingerprinting—even the smallest change in the file results in a completely different fingerprint.
All blockchain transactions are timestamped with second-level precision, making it possible to verify the exact registration order.
Encrypted metadata includes the ownership declaration and identity hash, enabling the original certificate holder to prove authorship—even if a duplicate exists elsewhere.
What if two people register the same file on different blockchains at the same time?
This scenario is extremely unlikely. To quantify: the statistical probability that two people independently own the exact same file and register it on different blockchains in the same second is approximately
0.0000000000000771, or 1 in 25 trillion.
In practical terms, the first timestamped transaction establishes precedence, and the likelihood of a simultaneous registration by a different individual of the same document on a different blockchain is effectively zero.