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0xcert Framework Bug Bounty

This documents 0xcert's bug bounty process and how you can get rewarded for finding issues with the 0xcert Framework.


Sponsor this bug bounty if you support the 0xcert Framework. This means you will commit to paying researchers that demonstrate a problem. Contact us at if interested. Thank you.


Become a sponsor and be listed here as a contributor to the bug bounty fund: 0x991b4c8b8BE23F27B83C3F2a272129b172EcbA9e.

Scope of this bounty program

Help us find any problems with the 0xcert Framework. Any reports and suggestions for code, operations, and style improvement will be appreciated and taken into consideration.

Rules and rewards

  • Issues that have already been published here or are already disclosed to the 0xcert team are not eligible for rewards (a corollary, the 0xcert team members are ineligible for rewards).
  • Social engineering, XKCD#538 attacks, bringing down Mainnet/Infura, and other issues that are beyond the realm of the Framework are not in scope and will NOT be paid a reward.
  • Source code of all the packages, readme files, and documentation of the Framework are in scope.
  • Only the latest released version of each package in this Framework are in scope.
  • GitHub Issues is the only way to report issues and request rewards.
  • The 0xcert team has complete and final judgment on the acceptability of bug reports.
  • This program is governed under the laws of the Republic of Slovenia, if there is a party that we are unable to pay due to trade embargoes or other restrictions, then we won't pay. But we are happy to cooperate by making alternate arrangements.

Following is a risk rating model that judges the severity of an issue based on its likelihood and impact.

HIGH IMPACT Medium severity High severity Highest severity
↕️ Low severity Medium severity High severity
LOW IMPACT Notable Low severity Medium severity


  • Highest severity — full payout of the bug bounty (500,000 ZXC)
  • High severity — partial payout of the bug bounty (100,000 ZXC)
  • Medium severity — partial payout of the bug bounty (10,000 ZXC)
  • Eligible reports for medium, high, and highest severity will be mentioned in this thread in a leaderboard.
  • The most active contributors will be rewarded at 0xcert's sole discretion, which also applies to contributors reporting low severity bugs.
  • Additional rewards are available from sponsors. In general, these will follow proportionally as the rewards above.
  • 0xcert and sponsors reserve the right to deduct from the bounty pledge when the ongoing bug reports are rewarded.

Examples of impact:

  • High impact — steal an asset/value from someone else, impersonate the ledger owner, atomic order distributes assets incorrectly
  • Medium impact — cause a function to fail or performs a wrong operation
  • Low impact — an obvious mistake in the documentation that affects the development process and validity of the applied code
  • Notable — typos, missing comments

Examples of likelihood:

  • High likelihood — affects all users of the ledger performing a certain function,
  • Medium likelihood — affects a number of end users in a scenario that actually happens naturally in production deployments,
  • Low likelihood — affects two end users only if they are cooperating together to exploit a specially crafted mutation,
  • Notable — affects developers and grammarians but not end users.

How to win:

  • Be descriptive and detailed when describing your issue,
  • Fix it — recommend a way to solve the problem,
  • Include a Specron test case that we can reproduce.

Rules for bounty sponsor:

  • We will respond quickly to your questions.
  • We will adjudicate all prizes quickly.

More questions

  • If you prefer to send us a bug report privately so that a fix can be developed concurrently with the announcement you are welcome to mail us at You are welcome to make a hashed bug report (set issue body to hash of your message). This will still be eligible for payment and recognition.

  • Will things change during the bounty program?

    • Yes, we are seeking sponsors and will add additional prizes here if that happens.
    • Yes, we will update the code and redeploy the contract. So, click ⭐️ STAR and 👁 WATCH above on this repo for updates.
  • Taxes?
    • If you earn so much money that you will need to fill out a tax form, then we will ask you to fill out a tax form. This whole program is subject to the laws of the Republic of Slovenia.

Released under the MIT License.

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