The problem COVID-19 Vaccine Supplychain solves

Vaccines start from vaccine Manufacturing Companies(VMC) which are given order by government drug control agency(GDAC). They come to Hospital authorities(HA) and distribute to Local authorities(LA).

All the information is stored in Blockchain using Smart contracts. They are connected using Web3 for front end interaction.
By which all the information is fully secured.

Challenges I ran into

Implementing Dapp.
Connecting Dapp with Matic testnet