Taiko's Based Rollup Design Removes Sequencer, Inherits Ethereum's Liveness

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Taiko (chain ID 167000) is a Layer 2 zkEVM rollup that operates without a dedicated sequencer, instead relying on Ethereum's own validators to propose its blocks as part of normal L1 block production. This 'based rollup' architecture means Taiko's uptime and censorship resistance are directly tied to Ethereum's, eliminating the single-point-of-failure risk that has caused outages on other major L2 networks. As a Type-1 zkEVM, Taiko offers the highest level of Ethereum equivalence, allowing developers to deploy contracts and use existing tooling without any modifications. Unlike optimistic rollups such as Arbitrum or OP Stack, Taiko uses validity proofs to confirm state transitions, enabling hard finality in minutes rather than the roughly seven-day challenge window. ETH serves as the native gas token and block times align with Ethereum's ~12-second slot cadence.

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