Private cryptocurrencies
Zcash privacy rating
Cryptocurrency that uses zero-knowledge proofs to offer shielded transactions, which hide the sender, receiver and amount. Transparent transactions are also supported, so privacy depends on using shielded addresses.
Summary
Zcash scores 70 out of 100 (grade C) on the private cryptocurrencies criteria. It meets 3 of 4 criteria: open source, no ads or data sales and independent audit. It does not meet no trackers or telemetry. It is based in the United States: Five Eyes member; subject to the US CLOUD Act.
Score 70 out of 100. How scoring works
Criteria
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Yes
Open source Weight 3 of 3
Is all the source code needed to run the product public?
MIT and Apache-2.0. Zebra is the main node implementation after zcashd reached end of life.
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No
No trackers or telemetry Weight 3 of 3
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
The z.cash cookie settings list Google Analytics and Google Tag Manager as essential cookies that cannot be switched off.
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Yes
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
The privacy policy states personal data is not sold or used for targeted advertising. Development is funded by a protocol development fund and donations.
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Yes
Independent audit Weight 2 of 3
Has an independent security or privacy audit been published within the last three years?
Least Authority published a full audit of the Zebra node's NU6.1 network upgrade changes.