Mmu Milk Billcoin [TRUSTED]

| Persona | Needs / Pain Points | |---------|----------------------| | | Wants a quick, cash‑free way to buy milk on the way to class; already holds BillCoin in the campus wallet. | | Cafeteria Staff (Mia) | Needs a reliable POS that accepts BillCoin without extra manual steps; wants instant settlement. | | Campus Finance Officer (Raj) | Requires audit‑ready transaction logs; must reconcile BillCoin payments with traditional accounting. | | BillCoin Partner (Tech Lead) | Wants clear API contracts and security guarantees; expects usage metrics for scaling. |

." It's possible this refers to a very niche local project, a specific student initiative at a university (like Manchester Metropolitan University Multimedia University ), or a new, unlisted cryptocurrency. mmu milk billcoin

While "Billcoin" can refer to localized tokens or enterprise ledger systems used to track digital bills, its application in the dairy industry focuses on . | Persona | Needs / Pain Points |

Consumers can often see the "farm-to-table" journey of their milk, ensuring it meets safety and ethical standards. The Future of "Tokenized" Groceries | | BillCoin Partner (Tech Lead) | Wants

| # | User Story | Acceptance Criteria | |---|------------|---------------------| | | As a student , I want to pay for milk with BillCoin so I don’t need cash. | 1. Student can tap “Link BillCoin Wallet” on the MMU Milk app. 2. Wallet address is securely stored (encrypted at rest). 3. At checkout, app shows QR code with correct amount (e.g., RM 1.80). 4. Scanning the QR in BillCoin wallet signs and broadcasts transaction. 5. Transaction is confirmed within 3 seconds and the POS shows “Paid” . | | US‑002 | As a cafeteria staff , I need to see a live list of pending BillCoin payments so I can serve the next customer promptly. | 1. POS UI lists orders with status “Awaiting Payment” . 2. When payment is confirmed, status changes to “Paid – Ready” automatically. 3. No manual refresh required. | | US‑003 | As a finance officer , I must export a CSV of all BillCoin milk transactions for the month to reconcile with our ledger. | 1. Admin dashboard has Export → BillCoin Milk Sales button. 2. Export includes: Transaction ID, Timestamp (UTC), Student ID (hashed), Amount (RM), Wallet address (masked), Block hash, Settlement status. 3. Export respects GDPR – no PII beyond hashed Student ID. | | US‑004 | As a BillCoin partner , I need an API endpoint that returns payment validation results in a standard JSON format. | 1. Endpoint: POST /api/v1/payments/validate . 2. Request body: "txHash": "<string>", "expectedAmount": "<decimal>" . 3. Response: "valid": true, "confirmedAt": "2026-04-10T08:15:23Z", "error": null . 4. Returns HTTP 200 for successful validation, 400 for malformed request, 500 for internal error. | | US‑005 | As a student , I want to earn loyalty points for each milk purchase using BillCoin. | 1. After a successful payment, the system credits 1 loyalty point to the student’s loyalty ledger. 2. Points accumulate; at 5 points the student receives a free milk coupon (auto‑generated QR). | | US‑006 | As a system admin , I need rate‑limiting and anomaly detection to prevent abuse of the BillCoin checkout. | 1. Max 10 BillCoin payment attempts per user per minute. 2. Flag any user with > 3 failed validation attempts within 5 minutes. 3. Alerts sent to Ops Slack channel. |

If you want to dive deeper into this specific digital asset, please share the , whitepaper link , or primary blockchain network (e.g., Solana, Ethereum, BSC) so I can provide precise technical metrics! Share public link