MSV (Marvrodi Salute Vison) is an innovative product in the DeFi era, using the DeFi credit mining concept; MSV is issued using the POM (Proof of Mutual) mutual assistance certification mechanism, with a total of 21 million pieces and a peak daily production of 7200 pieces. MSV not only inherited the mutual aid concept from Marvrodi, but also used blockchain technology to create a new decentralized Financial inclusion ecology. Through the knot contract, MSV has created a new trust review mechanism in a decentralized anonymous environment, expanding DeFi's credit capacity through fewer collateral, and constructing a new form of community governance with MID as the system node. The application scope of MSV includes DeFi credit mining under the POM consensus, knotted credit certificates, and payment tokens for MSV mutual ecological communities....