A wallet address is a way of grouping bitcoinBitcoin is a digital currency (also called crypto-currency) ... addresses into one group that is likely to be controlled by a single user or by a service. These groupings may not be 100% accurate. There are a number of ways to compute wallet addresses. One way is the “multi-inputMulti-input is a way of associating multiple addresses with ... clustering” method, where we analyze multi-input transactions and associate them with known patterns.