http://mixedbtc774xoq54ydw3dada4g3zsxtxgwoat6ocz3u333n4xhnwxpqd.onion/learnmore.php
Without CoinJoin, the public blockchain ledger would record three separate transactions for each input-output match. With CoinJoin, only one single transaction is recorded. The ledger would show that bitcoins were paid from A, C, and E addresses to B, D, and F.