The guys from Development Experience are restarting the competition for the creation of a repeated payments (subscription) system again, since at the first launch the number of participants was extremely small.

Of the changes, one can single out the fact that the prize money has almost doubled with the same requirements, so now it is definitely worth taking part. They are unlikely to be resumed or restarted.

Let’s go through the conditions in a nutshell:

Contest time: from July 16 to August 31, 2021 August 31, 2021 23:59 UTC
The initials were given 15 days to vote.

What needs to be done?

  • It is necessary to develop a system of smart contracts with recurring payments or otherwise – subscriptions in the Free TON network, with which it will be possible to open the entrance to various services for a specific (given) time.
  • Users should be able to pay periodically with TIP-3 or TON Crystal tokens.
  • Anytime cancellation feature should be developed
  • For a complete list of tasks, see here.


  • A recurring payment smart contract system needs to be developed in C ++ or Solidity.
  • Subscribers must be able to manage their subscription (stop, suspend, buy)
  • The application must include DeBots for all system interfaces.
  • For a complete list of requirements, see here.


  1. 100 000 TON Crystal
  2. 80 000 TON Crystal
  3. 70 000 TON Crystal
  4. 40 000 TON Crystal
  5. 20 000 TON Crystal

If you want to take part in the contest, then follow the link to submit applications
If you have any questions, you can ask them on the Free TON forum.

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