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.