Bitcoins blockchain is entirely public and available for anyone to explore. If you follow bad practices, it is possible for determined individuals to track your entire stack and transaction history completely!
A great way to improve your privacy on-chain is by making use of CoinJoin, which essentially hides your bitcoin in a huge crowd.
So in this video, I show you how to use Whirlpool within Sparrow Wallet to gain on-chain privacy, and hide in that crowd.