In fact, it can be summarized as a project that has come to the fore again with the prominence of NFT platforms, especially in recent days.
Chromia calls itself both a blockchain and a database, unlike other projects.
Although the software aspect of the work seems to be close to each other, it can be said that databases are more useful especially in finding what you are looking for.
Chromia is a platform that allows people to make transactions with very low costs and allows decentralized applications to be built on it.
Nowadays, it seems to be serving mainly in the NFT world. Another intensive service area is record keeping with the database feature. In short, they called this feature relational blockchain.