Lets say a person has 2 ethereum wallet addresses. One of them is publicly revealed by him and is attached to his ID or email. Other one is used for private investment and transactions. If a transaction is sent from public address to private, the private address also gets linked with public one.
In this app, you can enter all your address and check which of them are linked with each other. Or simply we can check whether address A has link to address B
Project uses covalent api to find all wallet addresses which transacted with an address. For the all the address found, we again find the addresses they interacted with. This makes a blockchain graph of all addresses. Using the graph, we find if there is a connection between address A and B.