This web site is a work in progress. When it is finished it will encrypt a text on the server and save it on a blockchain along side with a specified time. When this time passes the server will load the message from the blockchain, decrypt it and make it publicly available.
Make sure you have Node.js and the Heroku CLI installed.
$ git clone git@github.com:heroku/node-js-getting-started.git # or clone your own fork
$ cd node-js-getting-started
$ npm install
$ npm startYour app should now be running on localhost:5000.