# Names ## What is DPNS DPNS is a special Dash Platform Application that is intended to provide a naming service for the Application Chain. Decoupling name from the blockchain identity enables a unique user experience coupled with the highest security while remaining compatible with [Decentralized Identifiers](https://www.w3.org/TR/did-core/). Limitation: max length of 63 characters on charset `0-9`,`A-Z`(case insensitive), `-`. Domain names are linked to an Identity. ```{toctree} :maxdepth: 2 register resolve resolvebyrecord search ```