ISSP is a digital asset serving as the first cross-chain inscription protocol system on the Sui network, renowned for its high throughput and scalability. It introduced the SUI-20 inscription standard, utilising the network's node indexer to efficiently manage inscription data. The system includes an inscription marketplace and a swap feature, designed for optimal performance and stability. The platform facilitates easy deposition of inscriptions into exchanges, enhancing integration processes. Its primary role is to provide a framework for blockchain inscriptions, aiming to augment efficiency, security, and scalability in blockchain applications. By aiding in the indexing of inscription data and simplifying the integration process for exchanges, ISSP aspires to advance the blockchain ecosystem and enrich the user experience.