1. Statistical analysis is good, but claiming 100% accuracy is unrealistic. It is an educated guess at best. Ring Signatures offers plausible deniability. There will always be a degree of uncertainty when trying to model a selection algorithm that picks decoys from the entire blockchain with a distribution pattern similar to normal user spending habits. Even if a deterministic transaction graph is made of all outputs breaking Ring Signatures in the process, RingCT and Stealth Addresses still de-links outputs from transaction amounts and receivers' wallet addresses.

2. No one uses Zcash.

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Discussion

I understand that the more time passes the greater the accuracy and yes no one uses zcash.

With Ring Signatures the more time passes the greater your anon set becomes because your real outputs will be selected as decoys for other real transactions.

And like RINO said, *amounts* and *recievers* are still completely hidden. Only sender privacy is effected by this. The transaction graph is still hidden (connections between senders and recievers).

Monero made a great decision to have layers of privacy. If one layer is compromised the others are unaffected.