What is NEBRA UPA?

Submit a proof at demo-app.nebra.one!

NEBRA's Universal Proof Aggregator (UPA) is our answer to the growing cost of on-chain ZK proof verification.

Proof System

Gas Cost

FIAT Cost

(30 Gwei, 3000 USD ETH)

Groth16

250,000

22.5 USD

Halo2-KZG

400,000

36 USD

STARK

1,500,000

105 USD

UPA aggregates proofs into batches, passing on the savings to you. The current release of UPA targets the popular proof system Groth16. Aggregating your proofs with UPA can save you up to 90% in verification costs!

Throughput

We have used UPA to aggregate 1 million proofs in 36 hours. Check out the contract here.

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NEBRA Labs