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#OP Stack

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Optimism’s Unichain Deal to Place More Chains Under Single Operator
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Optimism’s Unichain Deal to Place More Chains Under Single Operator

Key Highlights: Uniswap Labs is expanding its OP Enterprise collaboration with Optimism, shifting Unichain from protocol support to fully managed production operations operated by OP Labs. Major OP Stack rollups including Unichain, Soneium, and Ink are consolidating day-to-day sequencer, batcher, and proposer operations under the Optimism Foundation and OP Labs. While forced inclusion via Ethereum ...

Optimism Approves Superchain Upgrade Paving Way for Interoperability Launch
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Optimism Approves Superchain Upgrade Paving Way for Interoperability Launch

Key Highlights Optimism governance approved Upgrade 20 on Sept. 16, initiating a transition from Output Root Dispute Games to Super Root Dispute Games across OP Sepolia, Ink Sepolia, Soneium Minato, and Unichain Sepolia testnets. The upgrade introduces timestamp-based dispute proofs—replacing L2 block numbers—to establish the common time reference required for future Superchain cross-chain interoperability. Mainnet ...