Cross-chain is defined as a technology that connects different chains. By connecting blockchain to DApps (an app that uses blockchain)via QURAS’ smart contract, future-specific blockchains (e.g. private blockchains that include a certain function, consortium blockchain, etc.) can be managed on QURAS platform. From there, they can correspond with one another, and currencies on different blockchains can be directly exchanged through a third party such as an exchange. QURAS can function as a common platform; corresponding with various dedicated chains via its smart contract technology.

Using a digital ID makes it possible for users to control their identity in detail. Allowing organizations to use distributed identifiers only when they have a consent from their clients. With a higher privacy standard using anonymous technology, a safer private digital ID can be supported. It also makes it possible to mutually operate IDs on various platforms while users’ identities are protected. In addition, Digital ID can be used as an option to be compliant with AML(anti-money laundering. This feature does not prevent the promotion of privacy technology with the use of private addresses, assuming that there are various risks in complying with laws and regulations.