zkSync vs Starknet
zkSync is a L2 launched in 2023 using ZK (SNARK) validity rollup. Starknet is a L2 launched in 2021 using ZK (STARK) validity rollup. On observed throughput, zkSync leads (28 vs 3 TPS). On typical fees, Starknet is lower ($0.0500 vs $0.0300).
| Metric | zkSync | Starknet |
|---|---|---|
| Observed TPS | 28 | 3 |
| Theoretical TPS | — | 382 |
| Finality | — | 7,200.00 s |
| Block time | — | 2.62 s |
| Avg fee | $0.0500 | $0.0300 |
| Validators | 1 | 3 |
Better value per row marked in colour (higher TPS; lower finality, block time, fee). "—" = no reliable current source.