Digital identity in blockchain how does it work?

Although the topic of blockchain-based digital identity is relatively new, many companies see the potential of blockchains as the basis for a system that enables the validation and verification of data in a digital identity system. .

Towards this horizon, some companies have taken on the task of developing systems that allow users to have full power over their personal and financial information without using large centralized companies to maintain their data. Avoid vulnerabilities in central databases such as hacking, data hijacking and filtering of confidential user information by third parties.

With that in mind, it is worth noting what projects some of these companies have undertaken that are dedicated to finding different alternatives to the digital identity abandonment that will allow users their information and give them the freedom to share it with anyone they can want and where they are, however you want. These projects include:

RIF directory

Digital identity in blockchain how does it work?
Digital identity in blockchain how does it work?

The directory is an identity layer and is supported by the RIF name service. This project is developed for the RSK ecosystem, an intelligent Bitcoin contract platform. The goal of Directory is to provide a directory service so that users and developers can find the services they need. Nbsp;

This service, which is based on a reputation system, is also intended to promote the reliability of the users of the system, through which they can manage their personal data and share it with other people and services.

One of the main advantages of Directory is that it focuses on empowering users about their data. This way, users are in control of their data and reputation, and users are in control. Decide who has access to your data. In addition, Directory enables interaction with multiple markets and platforms with portability of credentials, that is, the same information for different services.

First, the directory is provided as an identification and reputation layer for the various services available on the RIF market. And it is considering expanding its range of influence to other networks as the project evolves and grows stronger.


This is an open source project mainly managed by Sovrin Foundation, a non-profit organization run by the Evernym company. Nbsp;

Sovrin is a decentralized digital ID system. The platform is based on a hybrid blockchain based on Hyperledger technology. In this way, its use is public, but with limited administrative access. Nbsp;

Sovrin uses cryptographic techniques without proof of knowledge or ZKP. This enables controlled, managed, and shared private credentials to be issued securely. Nbsp;

Zero-knowledge proofs are a cryptographic method that can be used to verify the accuracy of data without the information having to be properly made available. This means, Make sure someone is of legal age without revealing their date of birth. This way it gives more arguments to protect the privacy of your data for users.


uPort is a project that offers a decentralized digital identity system, but it is based on the Ethereum network. This is one of ConsenSys’s oldest projects. It is focused on providing open source tools and protocols to build the identity layer on this blockchain network.

Like other projects with these characteristics, uPort aims to pave the way for users to become digital identity so they can join the blockchain without compromising their data.

UPort allows developers to build their applications so that users have a unique fingerprint that they can use to access the various services available in the ecosystem.

The digital identity created in uPort consists of a decentralized identifier that is created in accordance with the W3C standards. In addition to a public key that is stored in uPort protocols. And a private key that the user needs to sign his operations. All of this is controlled by a smart contract that keeps the relevant records for the digital identity.

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