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OP Stack

12 pieces · Aug 2023 to Aug 2025 · 3 flagship

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L1/L212 Ethereum7 ZK3

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Start here · the strongest pieces on OP Stack

Breakdown22 Oct 2023OP Stack breakdown: Bedrock, centralized sequencer risk and EVM-equivalent OVMTechnical thread from the Redacted OP report: the OP Stack's layered design, optimistic fraud-proof assumptions, and the fact that OP Mainnet then had no deployed state validation and a centralized sequencer without slashing. Notes Manta as a customization example.Explainer25 Sep 2023The OP Stack and the Superchain vision: Bedrock, proofs and open challengesLong-form walkthrough of the Superchain thesis: Bedrock's fee, deposit and node improvements, SystemConfig-based modular sequencing and DA, and open problems including trusted withdrawal attestors, challenge-period latency, async cross-chain messaging and L1 data limits.Explainer28 Jun 2024Optimism Superchain explained: OP Stack, shared sequencing and RaaSExplains the OP Superchain: shared governance, sequencer revenue sharing and atomic cross-chain interop via a shared sequencer, plus the role of Rollup-as-a-Service providers. Argues OP is a multichain ecosystem, not just OP Mainnet, despite a 60% drawdown from its ATH.

Timeline · every piece, newest first

2025 1

03 Aug 2025OP Kailua explained: ZK fraud proofs and Stage 2 for OP Stack via BoundlessExplains how OP Kailua adds ZK fraud proofs to OP Stack chains, cutting the challenge bond from 330 ETH to under $100 and finality from 7 days to about one hour in validity mode. Boundless provides the permissionless proving needed for Stage 2.ExplainerZKL1/L2Ethereum33 likes

2024 7

19 Nov 2024Kailua: RISC Zero's hybrid ZK fault proofs for the OP StackExplains Kailua, a RISC Zero hybrid for OP chains that replaces interactive fault proofs with non-interactive ZK fault proofs, generating proofs only during disputes. Argues this cuts proving cost versus OP Succinct while giving sub-1-hour finality.ExplainerZKL1/L213 likes

16 Oct 2024Conduit G2 sequencer: 100 MGas/s for hyperscale rollupsConduit's G2 sequencer processes 100 MGas/s for thousands of TPS and integrates with OP Stack and Orbit. Combined with EigenDA and RaaS, hyperscale rollups can be launched in a few clicks.BreakdownL1/L218 likes

28 Jun 2024Optimism Superchain explained: OP Stack, shared sequencing and RaaSExplains the OP Superchain: shared governance, sequencer revenue sharing and atomic cross-chain interop via a shared sequencer, plus the role of Rollup-as-a-Service providers. Argues OP is a multichain ecosystem, not just OP Mainnet, despite a 60% drawdown from its ATH.ExplainerL1/L237 likes

31 Mar 2024Superchain and OP Stack ecosystem summary with linked explainersIndex of the author's Superchain research: ecosystem summary, deep dive, ELI5s on the concept and shared sequencing, OP Stack ecosystem and RaaS providers. Argues the OP Stack universe will be an epicentre of the bull market.MapL1/L2Ethereum22 likes

25 Mar 2024Shared sequencing in the Superchain and its limitsExplains how a shared OP sequencer proposing blocks to many chains can guarantee atomic inclusion, but only promises L1 inclusion, so execution still depends on other rollups, complicating cases like mint and burn bridging.ExplainerL1/L2Ethereum38 likes

20 Mar 2024OP Superchain ELI5: Optimism, OP Stack and the SuperchainShort primer separating Optimism the collective, the OP Stack framework and the Superchain, which unifies app-specific OP chains into one interoperable system that feels monolithic to users.ExplainerEthereumL1/L222 likes

21 Feb 2024Optimism Superchain deep dive: OP Stack, Bedrock and shared sequencingExplains the Superchain vision of OP Stack chains sharing sequencing with atomic cross-chain interaction, and Bedrock's upgrades: cheaper fees, 3-minute deposits, modular proofs (Cannon, future ZK), client diversity and configurable DA via SystemConfig.ExplainerEthereumL1/L228 likes

2023 4

22 Oct 2023OP Stack breakdown: Bedrock, centralized sequencer risk and EVM-equivalent OVMTechnical thread from the Redacted OP report: the OP Stack's layered design, optimistic fraud-proof assumptions, and the fact that OP Mainnet then had no deployed state validation and a centralized sequencer without slashing. Notes Manta as a customization example.BreakdownL1/L2Ethereum72 likes

25 Sep 2023The OP Stack and the Superchain vision: Bedrock, proofs and open challengesLong-form walkthrough of the Superchain thesis: Bedrock's fee, deposit and node improvements, SystemConfig-based modular sequencing and DA, and open problems including trusted withdrawal attestors, challenge-period latency, async cross-chain messaging and L1 data limits.ExplainerL1/L2Ethereum61 likes

22 Sep 2023Manta Pacific ecosystem visual: OP Stack, Celestia DA and zk circuitsShort post with an ecosystem visual describing Manta as an OP-Stack modular rollup using Celestia for cheap data availability and a customized EVM supporting universal zk circuits for Solidity zkApps.MapZKL1/L251 likes

16 Aug 2023OP Stack Superchain: shared sequencing and atomic cross-rollup composabilityExplains how a shared sequencer across OP Stack chains can guarantee atomic cross-rollup transactions, making the Superchain feel like one logical chain. Notes limits since the sequencer does not execute transactions, and points to Shared Validity Sequencing.ExplainerL1/L22 likes

Often covered with

Optimism61 Base28 Manta Network45 Boundless42 Conduit6 Caldera20 Bedrock5 Celestia145

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