An OP Chain refers to a Layer 2 blockchain that has committed to joining the Superchain. According to the Law of Chains, a framework that will guide the governance of all networks that opt-in to the Superchain, OP Chains will be governed by Optimism Governance. The benefit of opting in to the Superchain and becoming an OP Chain is that users of OP Chains will have a convenient, homogenous experience bridging between OP Chains, and the OP Chain itself will share security and a governance standard (Law of Chains).
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