yum-cross-brand-promo

Overview

Yum! Brands Cross-Brand Loyalty using Smart Contracts 🔴 Dining Dilemma: No Group Rewards

Pay full price for meals at KFC & Taco Bell. Supporting multiple eateries from same group. Why no group discounts or promotions?

🖥️ Why Blockchain? Unified Rewards.

Imagine rewards for cross-brand support. Buy a promo package for meal at each brand. Redeem meals using digital token.

🔗 The Main Course: Smart Contracts.

Yum deploys 1 promo contract & 1 per brand. Redeemable meals = NFTs. Customer buys promo. Receives NFT per brand.

🟢 Siloed Brands ⮕ Culinary Exploration

🔍 Taste the variety, enjoy the rewards. ⭐️ Discover new brands, unlock savings. 💰 Restaurants flourish, patrons prosper.

Step by step:

1. Yum deploy one promo smart contracts and one per brand (KFC, Taco Bell)
2. Customer buy promo through promo contract and a meal NFT is minted from each brand contract

Play around yourself!

Mumbai testnet smart contracts:

• YumPromo: 0x8d0b8cB36ac056B29f7188Cd78FC67c4fC0ba78F
• KFC: 0xa4AFA1fE497506cBcc20e06F2B88B539468329f5
• TacoBell: 0x813E558c456461A289da36642bD2c2e8a5aE65d9

How to interact through PolygonScan

1. Obtain Mumbai MATIC. FAUCET.

Buy promo NFT

2. Buy promo. Use #1 mintPromo. Inputs: wallet_ = your wallet. WRITE CONTRACT.
3. Verify received promo NFTs!

• Option 1: Click "View Transaction" on third transaction. Check "Tokens Transferred" field.
• Option 2: Read #1 balanceOf on both contracts. Should return value of 1. READ CONTRACT KFC. READ CONTRACT TACO BELL.