tavarascamp/nTZS

Tanzania Shilling Stablecoin # nTZS — NEDApay Stablecoin nTZS is a Tanzanian Shilling-pegged ERC-20 stablecoin issued on a strict 1:1 basis against TZS-denominated reserves. It powers **NEDApay**, an omni-channel digital wallet built for Tanzania's mobile money ecosystem. > **Regulatory Status**: NEDA LABS Limited has received **in-principle approval** to participate in the Bank of Tanzania Fintech Regulatory Sandbox (Ref. LD. 170/515/02/1254, 23 April 2026). Sandbox testing must commence by **23 June 2026**. --- ## Architecture ``` ┌──────────────────┐ ┌──────────────────┐ ┌──────────────────────┐ │ User App │ │ Backstage │ │ Snippe (active) │ │ (Next.js) │ │ (Admin Panel) │ │ (M-Pesa, TigoPesa) │ └────────┬─────────┘ └────────┬─────────┘ └──────────┬───────────┘ │ │ │ ▼ ▼ ▼ ┌─────────────────────────────────────────────────────────────────────┐ │ PostgreSQL (Neon) │ │ Users · KYC · Wallets · Deposits · Burns · Transfers · Audit Logs │ └──────────────────────────┬──────────────────┬───────────────────────┘ │ │ ▼ ▼ ┌────────────────┐ ┌──────────────────┐ │ Cron Jobs │ │ Mint Worker │ │ · Poll PSPs │ │ · Mint nTZS │ │ · BoT reports │ │ · Daily cap │ └────────────────┘ └────────┬─────────┘ │ ▼ ┌──────────────────────────────────────────────┐ │ Base Blockchain (nTZS Contract) │ │ ERC-20 · Pause · Freeze · Blacklist · Wipe │ └──────────────────────────────────────────────┘ ``` ## Repository Structure | Path | Description | |---|---| | `apps/web` | Next.js app — user portal, backstage admin, all API routes | | `apps/worker` | Background worker — burn processing, LP earnings | | `apps/market-maker` | Automated market maker | | `packages/contracts` | Hardhat — nTZS ERC-20 smart contract (UUPS upgradeable) | | `packages/db` | Dr …