StarkWare said STARK Two is 39 times faster than prior ZK proving solutions and supports privacy-preserving use cases such as payments, identity, messaging and gaming

Quotes that support claims

StarkWare said that benchmark tests for the S-two ZK prover showed that it was 39 times faster than previous solutions.

You can prove a payment was valid without showing your balance, or verify identity without revealing personal details,” Katz added.

S-two’s client-side proving will also mean users/rollups no longer have to rely on trusted and centralized prover clusters typically hosted on AWS or Google Cloud.