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[$3,000] - Create a solution that uses Quorum or Besu that creates a private off chain transaction
azure-samples
VS-Code
**Create a solution that will demonstrate creating a private transaction, using either Quorum with Tessera or Besu with Orion**
It should include on-chain data (inside the smart contract) and off chain data as well. The key is that the off-chain data should be encrypted with the same key used for the on chain transaction.
In this challenge, the goal is to extend either Quorum’s Tessera or Besu’s Orion to include the option to pass off chain data that will be stored / retrieved as part of the on chain transaction. The underlying storage is up to you but using the private transaction manager to extend to support a database, IPFS, or even file system is the requirement. Extending the web3 client to support offchain data is needed, but the implementation is up to you!
**We will highlight your social media posts and the best entries as they come in.**
- see qualifying social media post requirements below
**Submission Requirements**
Your submission should demonstrate that you are using VS Code, have downloaded the Blockchain DevKit for Ethereum and you are using it for this solution. Submissions should also use the [Blockchain Data Manager](https://docs.microsoft.com/en-us/azure/blockchain/service/data-manager) to create an application that will react to state changes made to the Smart Contract. The application will create a toast notification to signal that a state change was made.
- The submissions will be reviewed for completeness of the tasks based on these submission requirements.
- Note that we will highlight the social media mentions as they come in (assuming they follow the below guidelines)
Do the following to be considered for this bounty:
- download the [VS Code Blockchain DevKit for Ethereum](https://aka.ms/blockchain-devkit)
- give the extension a star rating of your choice in the VS Code marketplace
-- provide a review for added points
- share on your social (twitter at minimum) to highlight your work and to qualify as follows:
-- Showcase your dApp and dev experience using the Blockchain DevKit for Ethereum
-- tag @Microsoft @code @windozer @yorkerhodes
-- use hashtag #blockchain #devkit for #ethereum
-- include link to the devkit: https://aka.ms/blockchain-devkit
-- savvy social media users know that pics and gifs delight
- submit a graphic of your social and this checklist
- showcase your project & demonstrate your proficiency with the kit through gifs & video
**Submission Deadline**
All submissions for this bounty must be submitted by 11:59:59 PM EST May 27, 2020.
**Judging Period and Announcement Date**
A judging period will run from May 28 to June 10 and the bounty will be awarded to lucky winners.
**Reward**
The total reward amount for this bounty is [$3,000 value]. Kudos may also be rewarded, which have no direct monetary value.
**Instructions**
Resources to help with this challenge can be found here:
- [VS Code Blockchain DevKit - arguably the best tool for blockchain development](https://aka.ms/blockchain-devkit)
**Communication**
You can find us on our gitter (https://gitter.im/bc-community-samples/community) Also, you can find us lurking in the Gitcoin NY Blockchain Week channels.
### Additional Terms of Service
This is a Skills Contest open only to persons who are of legal age to form a binding contract (Age of Majority) in the jurisdiction where they reside at the time of entry. Each person must also qualify with the Gitcoin Account Terms of Use available at https://gitcoin.co/legal/terms and the GitHub Account Terms of Service available at https://help.github.com/en/articles/github-terms-of-service to enter. Last submission accepted by 11:59:59 PM EST May 27, 2020. See [Full Official Rules](https://github.com/Azure-Samples/bc-community-samples/blob/master/Gitcoin_Hackathon_Rules.pdf) for details.
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