> For the complete documentation index, see [llms.txt](https://docs.yolkfi.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yolkfi.com/04.-milestones-and-deliverables/tranche-3-mainnet.md).

# Tranche 3: Mainnet Launch, Fiat Gateway & Audit Remediation

* **Tranche Budget:** $30,000 USD (25% of total budget)
* **Target Completion:** Month 3–4 (October–November 2026)
* **Development Focus:** Production Mainnet Release & Security Hardening

***

### Deliverable 3.1: Production Mainnet Deployment & Multisig Treasury

* **Description:** Production deployment of audited YolkFi smart contracts, `$YOLK` SAC initialization, and multi-signature Treasury vault configuration on Stellar Mainnet.
* **Completion Criteria:** Verified mainnet contract deployments, genesis ledger transactions, and active multisig signer policies publicly traceable on Stellar network explorers.
* **Budget Allocation:** $10,000 USD

### Deliverable 3.2: SEP-24 Fiat Gateway & Live Production Feeds

* **Description:** Integration of SEP-24 Anchor Platform (interactive deposits/withdrawals for USDC/EURC/EURCV), MoneyGram Access rails, and live telemetry connection to AT Grup’s physical facility.
* **Completion Criteria:** Operational fiat deposit/withdrawal widget active in production; live Oracle Worker broadcasting daily verified production data from AT Grup's facility.
* **Budget Allocation:** $9,000 USD

### Deliverable 3.3: Open-Source Repository & Developer Documentation

* **Description:** Open-sourcing of full protocol repositories on GitHub, including smart contracts, oracle worker, frontend SDK, and developer documentation.
* **Completion Criteria:** Public GitHub repositories with open-source licenses, comprehensive READMEs, integration runbooks, and public GitBook documentation.
* **Budget Allocation:** $5,000 USD

### Deliverable 3.4: Stellar Audit Bank Remediation & Security Hardening

* **Description:** Resolution of all critical, high, and medium severity findings identified by the Stellar Audit Bank review; deployment of hardened contracts.
* **Completion Criteria:** Publicly published remediation report detailing fixes implemented for every audit finding, accompanied by passing regression test suites.
* **Budget Allocation:** $6,000 USD


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