# OCSA

![image](https://user-images.githubusercontent.com/67682496/210122012-9cee1a06-ca3d-43b1-bef3-20dc22835705.png)

## A blockchain based gas free (aka without costs) authentication module based on data signing through Metamask enabled browsers

This module is a work in progress and should be used with a grain of salt

### Usage

Host auth.js on a server and run it:

    npm install
    node auth.js

Use the code provided in client folder to build your app.