All about the Black Yellow App

All about the Black Yellow App


What is the BlackYellow App?

The BlackYellow App is Borussia Dortmund's global fan community hub.

Is BlackYellow also on social media?

Yes, you can find BlackYellow on Instagram and Twitter.

What are Stickers?

Stickers are limited-edition digital collectibles. Most of them are given out as a reward for certain contributions to the community. You can use them in the BlackYellow App and even take them with you to many web3-powered experiences.

Do I need a Wallet?

When you register, you create a FanID which is your web3 identity and comes fully equipped with a wallet. You don't need to install any additional software.

Can I transfer Stickers to an external wallet?

Yes, open My Stickers, select the Sticker you want to transfer, and click the Transfer button. Then connect your Metamask wallet and follow the instructions. For the transfer to work, you need Matic, the token of the Polygon blockchain, in your Metamask wallet.

Can I sell the Stickers and will there be a marketplace?

You cannot sell Stickers on the BlackYellow App. However, you can transfer your Stickers via Metamask Connect to the public Polygon blockchain, which is supported by various marketplaces.

What are BlackYellow Tokens?

BlackYellow Tokens are social tokens that can be used to boost ideas, content, and comments in the app and to unlock exclusive Stickers. They can neither be bought nor traded - the only way to get new BlackYellow tokens is by being an active member of the BlackYellow community and contributing to it.

How can I collect tokens?

Tokens in the BlackYellow App cannot be purchased. Instead, you can collect them by contributing to the community. There are many ways how you can collect tokens in the app. Here are the most important ones:

  • When you sign-up, you get 19 tokens
  • Every day you open the BlackYellow App, you receive 9 tokens
  • If you successfully [invite a friend](, you get 19 tokens
  • When someone boosts your content, you receive tokens from that boost
  • The most active contributors will receive additional tokens from the community chest weekly

I really like this app. Can I have something like this as well?

Yes. The BlackYellow app is built with Unyfy, our partner Liquiditeam's web3 community and content management solution. You can start using Unyfy here today.