privacy is about minimizing information leakagethere are a few properties around thisi) the actual cryptographyii) the anonymity setiii) the user behaviourthe state of the art when it comes to i) is ZK, this is not a debatea decoy system will use ring signatures which are designed to "confuse" but they do not actually encrypt the datazcash does not try to confuse a potential tracker, it makes the data secret so that it is invisible to begin withthis is basic math (and it's why monero wants to add FCMP++, ri ...