> For the complete documentation index, see [llms.txt](https://auxo-1.gitbook.io/on-chain-funding-platform/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://auxo-1.gitbook.io/on-chain-funding-platform/platform/private-funding.md). # Private Funding ## Project zkApp This contract facilitates the creation of projects on the platform, empowering builders to initiate their ventures. It securely stores crucial information such as: * IPFS details of the project * Project member public key * The public key for fund reception

The contract's primary functionalities include: * Create Project: Initiates a new project. * Create Project with Vesting: Establishes a new project with an integrated vesting feature. * Update Project: Updates existing project details, including IPFS information and member list. ## Campaign zkApp This contract allows organizers to host campaigns on the platform. It stores information about: * IPFS details of the campaign * Owner of the campaign * State of the campaign * The setting of the campaign

The contract's primary functionalities include: * Create Campaign: Create a new campaign with the caller as the owner * Update Campaign Info: Update campaign IPFS hash * Update Campaign Setting: Update campaign setting of committeeId and keyId used for the Threshold Homomorphic Encryption protocol * Get Campaign Timeline: Get the timeline of the campaign: time allow to builder to participate, time to receive funding, and deadline time of request to the Threshold Homomorphic Encryption protocol ## Participation zkApp Builders use this contract to participate in the campaign they want. It stores information about: * IPFS data about participation: project milestone, their proposal to the investor… * Current number of each project participate in a campaign

The contract's primary functionalities include: * Participate Campaign: Project participate in a campaign * Update Participation Info: Update participation IPFS hash ## Funding zkApp Investors use this contract to fund projects they like in a campaign It stores information about: * The total amount of fund investors invested in a campaign This contract will have a helper contract which is a requester, which stores the following information: * The funding commitment of an investment, allows the investor to use this for voting or claim the income comes from the project * Encrypted data about the investment, used to calculated the funded amount for each project without reveal the information about the investor

The contract's primary functionalities include: * Fund: Fund projects in a campaign * Refund: Claim back the funded amount when the campaign is aborted ## Treasury Manager zkApp This contract secures investor funds, permitting builders to claim the investments received. It stores information about: * The funded amount a project receives in a campaign * The state of the campaign: Not ended, completed, aborted When the campaign is aborted, investor is allowed to reclaim their fund by using refund() function at Funding contract.

The contract's primary functionalities include * Complete Campaign: Complete the campaign, allowing the builder to claim their fund * Abort Campaign: Abort Campaign, which allows investors to reclaim their investment. This happened when there is a problem occur with the Threshold Homomorphic Encryption protocol * Claim fund: Builder using this function to claim fund