Dsion offers an alternative to the problems of the current investment model with the Decentralized Decision-Making System and the Public Distributed Ledger, which are the basis of the blockchain.The 'Decentralized Decision-Making System' can monitor or influence a lot of investors to participate in the investment process and make rational decisions. The 'Public Distributed Ledger' can contain reliable fund management information and schedule progress information that is difficult to expect from unlisted companies.By using the blockchain as a powerful monitoring device that enables investors to reasonably use funds and time, investors can expect an efficient use of the invested funds and a higher return on investment.