What is JoinCoin in cryptocurrencies?

JoinCoin is the combination of multiple transactions from different users into a single transaction. The method was offered in 2013 by Gregory Maxwell. The protocol was created specifically to enhance the privacy of bitcoin transactions. The essence of the operation is that several users, after coordinating the data with each other, can create a jointly signed transaction. As a result, it becomes impossible to distinguish between the participants in the transaction, which ensures the maximum level of confidentiality.