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Version: 2.0.0

Testnet Addresses


The UniRep team maintains up to date deployments of the contracts matching our releases.

Latest package versions:

Our contracts are deployed on the the following testnets.


Epoch tree depth: 17
State tree depth: 17
History tree depth: 17
Number of epoch keys per epoch: 3
Total fields per user: 6
Sum fields per user: 4
Replacement field nonce bits: 48
Replacement field data bits: 205

Demo Attester

You can interact with a demo attester to get a feel for the flow of data in the system.


Proving keys for this contract can be accessed at the following url:

This URL is used in the web prover.


These keys have had a secure phase 2 trusted setup.
Check out the trusted setup ceremony: THE CELESTIAL CALL

Read more about trusted setups: