Sorry been away from this for awhile.
To call this a copy cat of nano shows no one here does any research or understands the technology.

Nano has no smart contracts and has a delegated PoS consensus.
Constellation has smart contracts and a proof of memetics consensus which is far superior to Nano in terms of horizontal scaling and node decentralisation.

The only thing they share in common is both are a Directed Acylic Graph.

AFAIK X-ray has no idea... hero member lol