# Exchange Overview Crypta's decentralised probability exchange (**DPEX**) is a newly designed, provably fair, zero-house edge game that brings the gambling and trading worlds together. A DPEX functions the same as an exchange, however instead of trading assets where prices move based on buy and sell orders, the platform allows users to trade synthetic assets whose prices evolve from random cryptographic hashes. Traders can then long or short the highly-volatile synthetic assets to capture profits. Its like a perpetual futures exchange or CFD exchange, except the counter party to every trade is an open liquidity pool. This liquidity pool acts like the house bankroll and recieves 50% of all transaction and funding fees generated from the platform. As the synthetic assets have an expected value of 0 (zero-house edge) the small transaction fees on each trade provide a small mathematical edge to the liquidity pool. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://crypta.gitbook.io/crypta/crypta-exchange/editor.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.