As shown in the figure above, zkLink X is a multi-chain ZK-Rollup Infrastructure composed of four layers: the settlement layer, the execution layer, the sequencing layer, and the DA layer. These four layers are decoupled for customizable App Rollup deployment.

The following sections will introduce zkLink X from the perspective of the four layers. It is important to note that the core value proposition and most innovations of the zkLink X are related to the execution layer solutions and the settlement layer solutions.

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