The blockchain technology and its platforms applied in different business scenarios and the reasons for adopt a solution was analyzed. The problem is the lack of digital identity model with new technology in a public organization of Ecuador. The objective is to model a blockchain network that applies Hyperledger to establish digital identity in the network and ensure the information integrity in a public organization of Ecuador. It was applied the deductive method and the exploration to examine the information of the cited articles. It turned out Blockchain network prototype in Hyperledger Fabric platform, Sequence diagram for access of users and services, List of Smart Contract functions, Logical model of data, client-server application design. It was concluded that the adoption of Hyperledger for digital identity model provides a highly confidential and scalable network, access certification, contractual procedures, immutable information and audit. It is alternative to guarantee the information security of a process from the beginning to its finalization.