Your usage of bitcoin is publicly viewable. If you have a bitcoin address attached to your identity, such as if you bought from a KYC exchange, then the Feds and anybody else can and do see the contents of your wallet and all of your spends. They actively look for it, trying to attach this informati...

1) Privacy for future payments. If u dont coinjoin your btc, especially if you bought from an exchange, its clear who is using the bitcoin. 2) if u dont coinjoin and make a purchase with your btc and its all in one utxo...then someone can see all your past payments and how much btc you have. Coin...

Gratitude from a fellow stupid pleb 😆 for asking the question!

Without coinjoin, the person who pays you can track how long you hold on to the money, and where you spend how much. Likewise the person whom you pay can track your past behavior. Checkout coinjoins.org for the motivation.