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While the OP Stack allows for full customization, chains in the Superchain adhere to a standard set of technical and governance parameters, facilitating Superchain interoperability, network security, and ease of upgrading your chain.

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Technical stack

FeatureSuperchainOP Stack
Parent chainEthereumAny L1, any L2
Throughput132.5Mgas/s50Mgas/s
Gas limit2200M200M
Blocktimes3200ms200ms
Data availability supportEthereumEthereum, Celestia, EigenDA
Gas token support4ETHETH, Custom Gas Token
UpgradesFacilitated via OP GovernanceSelf-managed
EVM compatibilityEquivalentVariable
1Data for Superchain from Base. Data for OP Stack from opBNB. 2The standard blockspace charter has a max gas limit of 200m. Both gas limit and gas target can be configured through the system config. 3While protocol blocktimes can be lowered to 1 second, subsecond blocktimes can be achieved using Rollup Boost and Flashblocks. 4OP Stack chains can use Custom Gas Token to enable any asset as the native fee currency. Superchain chains use ETH as the gas token, though chain operators can achieve similar UX using an ERC-20 paymaster.