ZK-rollups have been steadily building momentum as the technology matures. While optimistic rollups still dominate, the balance is starting to shift 🧵
The killer feature driving this shift? Instant finality: no more 7-day withdrawal periods.
The zkEVM compatibility wars have settled.
Most projects converged on Type-2 (near-perfect EVM equivalence).
Developers are either leaning into Cairo or using existing Solidity contracts to deploy with minimal changes on most zkEVMs.
What changed: developer experience dramatically improved.
Teams like RISC Zero are bringing ZK proving to existing OP Stack chains. The tooling gap that once favored optimistic rollups is closing fast.
Current ZK-rollup landscape by TVL:
🥇 Linea: $840M+ (ConsenSys ecosystem)
🥈 Polygon zkEVM: $330M+ (easiest migration)
🥉 zkSync Era: $280M+ (native AA)
🏅 Starknet: $275M+ (Cairo + STARKs)
🏅 Scroll: $180M+ (EF collab)
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