Layer 2 Solutions
Layer 2 scaling solutions process transactions off the Ethereum mainnet while inheriting its security guarantees, dramatically reducing costs and increasing throughput.
Optimistic Rollups
| Chain | Description |
| Optimism | OP Stack-based rollup |
| Arbitrum | Leading optimistic rollup by TVL |
| Base | Coinbase's L2 built on OP Stack |
| Blast | Yield-bearing L2 |
| Mantle | Modular L2 with MantleDA |
ZK Rollups
| Chain | Description |
| ZKsync | zkEVM rollup by Matter Labs |
| Scroll | EVM-equivalent zk-rollup |
| StarkNet | Cairo-based validity rollup |
| Linea | ConsenSys zkEVM rollup |
| Taiko | Based rollup with decentralized sequencing |
Concepts