Contest: Dune → FreeTON Swap Architecture

Contest dates

  • Submission period: 2 weeks after approving this proposal in the governance interface;
  • Judging period: 1 week after the submission period.

Short description

Prepare a detailed architecture for the swap between Dune and Free TON (as per the approved proposal) that will allow the fast and economically efficient one-directional exchange of DUN and TON Crystal tokens.




Merge with the Dune Network blockchain and its community in order to increase the resources and joint development of the Free TON community.

General requirements

Your submission should include:

  • The basic economic model and description of money flow in the system;
  • The general technical architecture of the solution along with the proposed customer journeys;
  • Detailed technical specification of the proposed implementation with the justification of the selected approach: smart contracts, integration layer, interfaces;
  • Name and contact information of the contestant for communication (Telegram username, e-mail).

Fair play

As per Procedural remarks on contests.

Evaluation criteria and winning conditions

Hard criteria

  • Cross-chain value passing protocol with censorship resistance in accordance with criteria described in the original proposal;
  • The possibility of trustless and non-custodial transfer of value between networks;
  • Open sources of documentation published at GitHub/GitLab or another open repository;
  • (Decentralized) Security Layer ([D]SL) ensuring protection from money stealing;
  • Final document should be presented in form of technical paper, including an abstract as a preliminary overall description of the system;
  • Link to documentation at Github/Gitlab or another open repository, with the obligatory backlink to your submission in the repository’s README;
  • Detailed structured explanation for each part of the system.


  • Google Doc / PDF with the technical paper open for commenting and containing the backlink to the submission.

Soft criteria

  • Detailed and easily understandable charts explaining the architecture and business processes;
  • Brevity;
  • Mostly everyday English to facilitate understanding;
  • Readiness to participate in the implementation of the solution in the next stage.


This contest is funded by the Main governance from the Developer giver.

Place Prize, TON
1 40 000
2 30 000
3 20 000
4 to 10 5 000 each

Procedural remarks to jurors

As per Procedural remarks on contests.

This contest is judged by the Jury of DeFi Subgovernance.

Jury rewards

As per Procedural remarks on contests.

Procedural reminders to all contestants

As per Procedural remarks on contests.


Original document:

I am going to submit an entry on Sunday for the ORL/OCP team.
Telegram: @fabrice_dune