Sign-up phase: 2021-01-11 to 2021-02-05

You will need to register on https://taikai.network and sign in as an innovator on the hackathon page.
If you have no team yet, fill out your skills profile and look for others on the matchmaking site, found on the hackathon page.

During this period please also describe your projects and add your team members to your projects.
Based on this information the teams and their projects will be selected in the next phase.


If you like, this is also the perfect time to join the chat via Slack workspace provided by TAIKAI. You do this by the following steps:

  • Join the TAIKAI Slack workspace using this invitation link
  • Send a mail to [email protected] , stating that you would like to be invited to the private channels
  • You will be added to the #wl-tickethon-general and #wl-tickethon-help channels.


Pre-selection: 2021-02-06 to 2021-02-08

We will review the proposed projects and select those allowed to continue to participate.
Depending on the number of projects this may take a while, yet we intend to review quickly to inform the teams as soon as possible during this week.

Registration will be closed at this point.

Wiener Linien and the organizers reserve the right to reject any project or team without further explanation.
Employees of the organizing companies are not allowed to join this challenge.


Participation: 2021-02-08 to 2021-03-07

During this period, you implement and refine your idea.

At the end of this period, the deliverables must be submitted on your project page of the challenge page as a project until 7th of March 23:59 Austria/Vienna time.

You should provide all the project material and a detailed description that clarifies all the projects’ purpose to meet the challenge goal:

1. Link a video on your project page, showing your solution, to allow public vote to happen based on how your solution works and is used.

2. Send the code (as a ZIP), documentation, and the like via email to Wiener Linien at this address to help the judges to evaluate your project and increase your chances to be the winner. This has to be sent before the participation phase ends! The timestamp of the email counts.

If you have any questions regarding the competition, please send an email to [email protected] explaining your issue. We are here to help you on this journey.

We will also provide some entertainment and talks during this period for any participant to join in.


Jury phase and community vote: 2021-03-08 to 2021-03-19

This is the period that our selected group of judges will review the delivered project submissions and vote for winners following the evaluation criteria. You can find the criteria in the page about prizes.


In parallel, the community is invited to participate in a community vote. At the beginning of this phase, we will open up the project pages for anyone to see, which should include your presentation you provided there in the previous phase.

Based on that, you are invited to have a look at the solution of others and vote with your KAI to select a winner by community choice!

Updating project pages will not be allowed at this point.


Winner Announcement: 2021-03-23

The winners and the final results are published on the hackathon page.

The winners will be contacted via their email they used during registration at TAIKAI.