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VacSeen

VacSeen is a blockchain-based vaccination portal that targets all ends of the vaccination chain, from manufacturers to members of the public.

Created on 23rd May 2021

V

VacSeen

VacSeen is a blockchain-based vaccination portal that targets all ends of the vaccination chain, from manufacturers to members of the public.

The problem VacSeen solves

The Coronavirus pandemic has struck India hard. The crumbling healthcare system and vaccine shortage don’t make the situation any better. While vaccines are the only reliable weapon against this menacing disease, citizens have been struggling to get themselves vaccinated with crashing servers, shortage of doses, and black-market dealings. VacSeen is a blockchain-based vaccination portal that targets all ends of the vaccination chain, from manufacturers to members of the public.

VacSeen targets all ends of the vaccine chain, from citizens to vaccine manufacturers, catering to the needs and requirements of all. Features of the platform from user perspective can be described as:

1. Citizens

✅ Browse all healthcare providers - see their cost of vaccinations, NABH Registration Numbers, and current stock of vaccines
✅ Reserve appointment and pay a fair price directly to the hospital using CELO or ETH
✅ Keep track of doses and book subsequent appointments

2. Government/Admin

✅ Summary overview regarding the percentage of population vaccinated
✅ Verify healthcare providers before they can vaccinate the population

3. Healthcare Providers

✅ Procure vaccines from multiple manufacturers at a fair price
✅ Collect payments in crypto - an asset class
✅ Log vaccination of people directly from the application, updating inventory and dose counts automatically

4. Vaccine Manufacturers

✅ Reach out to several healthcare providers - prevent bias
✅ Keep track of inventory and add new batches
✅ Automatically collect payment for vaccine delivery

Features:

🔒 Secure Transactions
🔎 Transparency in prices and inventory
🔑 Strong verification with Solidity Smart Contract design
💰 Promotes fair price practices
🌐 Works on two different networks - Celo and Ethereum
🧈 Seamlessly sign transaction with Portis

Future Work:

🔜 Introduce support for single/triple dose COVID vaccines
🔜 Citizens can book appointment for family

Challenges we ran into

Apart from code-related bugs in the Solidity Smart Contract, designing an aesthetically pleasing background with little design experience was a challenge. We used a Canva Pro template and edited it in Figma to get us the background images.

It was our first time working with two different blockchain networks at the same time, so we used clever ways to change the state of the web application - created two different web3 functions corresponding to the networks and loaded all data accordingly.

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