Ardor is one of biggest and growing platforms.However, Ardor is a multi-chain blockchain platform with a subset chain architecture. The security about this network is provided by the Ardor chain while the preceding phase has all the remaining functionality. However, the service provider believes that this design and access to high profile user permissioning capacity which are the key to the flexibility necessary for a variety of use cases and opens the door towards the mainstream adoption of blockchain technology.
However, Ardor was initiated with scalability attached to verify many existing projects problems such as blockchain bloat and the need for easily customizable-yet-compatible blockchain solutions. Ardor is based on Nxt technology and aims to provide the first pure proof-of-stake consensus algorithm.