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The Empirical throughput in ZK rollups depends on prover-time. For example, suppose that there are 50 provers: in Plonk (Zksync), the prover-time is about 720s for proof of 300Txs; therefore the Empirical throughput cannot exceed 50 x 300 / 720 ~20 tps. In Loopring’s case, 420s in prover-time are