There is always an issue of tracking live doners, this app solves thatt issue, doners, patients and doctors come here and register themselves then the app matches the doners and patients accordingly. Meanwhile the doctor needs to verify the doners and patients that wthether they are fit to donate and receive, this whoel process needs to be visible to everyone thats why it was a necessity to be on blockchain. With this the ones with power of money or network wont be able to come first and get the service but instead it would be on first-come-first-service, hence not favouring those with power.
There were many troubles that i came accross, like starting with connecting the project to metamask and then using ethers to interact wiht it, there being many versions of ethers, the google search wasn't the efficient solution always but we needed to look in the docs, then initially the contract that we wrote had some issues
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