Co-Swap (Collateral Swap) is designed as a market trading platform meant for users to exchange collaterals via a swap transaction and for repurchase agreements (Repo). Primary users of this application will be treasury dealers with Banks. Secondary users will be the fund managers with asset management companies, insurers, pension funds, hedge funds, family offices etc. The main objective for using this application is for users to manage their pool of quality assets that financial institutions hold by changing its quantity based on a collateral hierarchy maintained by the users and for Repo, a means to obtain short term funding.