Multi-input is a way of associating multiple addresses with a single individual or entity. This can help to group addresses into what is often called a “wallet addressA wallet address is a way of grouping bitcoin addresses into... More”. The way this works is that if many bitcoinBitcoin is a digital currency (also called crypto-currency) ... More addresses are used to create a single transaction to send money, then those addresses are all controlled by the same person or entity. CoinJoin transactions can break this algorithm.
