The main functionalities of the DSL are account extensions and upgradability. The unique upgradability means that the upcoming and new extensions will be upgraded, maintained and managed by INST governance. The DSL also includes a new operability layer that acts as a ‘Account Extension.’ These extensions allow the user to access new and unique functionality for their DSL account. These extensions and the evolution of the platform form a DeFi hub through which new use cases and extensions can be created, some examples of possible use cases include: Flash Loan Module, Authority extension, L2 extension, etc.