Blog
All latest articles
Engineering
Jun 8, 2026
Reserved Blockspace
May 13, 2026
Benchmark Reproducibility
May 4, 2026
Light Nodes: Specialize Your Op-Node Fleet
Apr 22, 2026
Stop Rotating npm Tokens. Delete Them.
Apr 20, 2026
Privacy Comes to the OP Stack
Apr 16, 2026
Stake-Based Transaction Ordering: A New Experiment on OP Mainnet
Mar 11, 2026
Benchmarking the OP Stack
Feb 19, 2026
Timelock Guard
Feb 12, 2026
Optimism partners with Succinct as first preferred provider to accelerate ZK Proving on the Superchain
Feb 11, 2026
Liveness Module
Jan 14, 2026
A Post‑Quantum Roadmap for the Superchain
Dec 3, 2025
Fusaka Is Live: Scaling Optimism and the Superchain
Oct 9, 2025
The new Optimism documentation
Sep 29, 2025
Flashblocks: Deep Dive - 250ms preconfirmations on OP Mainnet
Aug 28, 2025
Tech Debt: Understanding its Business Impact
Aug 21, 2025
Optimism Partners with Flashbots to Accelerate Sequencing for Every OP Stack Chain
Aug 1, 2025
Introducing the Kona-Node: A Rust-Powered Leap for the OP Stack
Jul 28, 2025
Lessons in Causality: Measuring Impact in the Superchain Ecosystem
Jul 8, 2025
Using Threat Modelling as a Strategic Development Tool
Jun 18, 2025
End-to-End Multichain Testing with Relayer.sol
Jun 6, 2025
PeerDAS-devnet-7 Updates
May 13, 2025
PeerDAS and a 48 blob target in 2025
May 9, 2025
Optimism Brings Ethereum’s Pectra Upgrade to the Superchain
May 7, 2025
Why the Future Runs on the OP Stack
Dec 10, 2024
Setting out for a cross-chain future: Moving data across blockchains
Aug 12, 2024
Solving Interoperability for the Superchain and beyond
Jun 10, 2024
The Fault Proof System is available for the OP Stack
Jun 10, 2024
Permissionless Fault Proofs and Stage 1 Arrive to the OP Stack
Jun 3, 2024
Unpacking progress in baseline decentralization
Apr 26, 2024
Initial findings from the fault proof program Sherlock audit
Apr 16, 2024
Minting NFTs from Ethereum or OP Mainnet
Apr 9, 2024
Fault Proof Deep-Dive Part 2: Cannon
Mar 19, 2024
Open-source and feature-complete fault proofs bring permissionless validation to the OP Sepolia testnet
Mar 13, 2024
From EIP to Ethereum mainnet: the collective triumph of 4844
Mar 6, 2024
Incentivizing honesty and participation in the OP Stack’s Fault Proof System
Feb 29, 2024
How the Delta Upgrade reduced OP Chain fixed costs by over 90%
Feb 15, 2024
Fault Proof Deep-Dive Part 1: MIPS.sol
Jan 25, 2024
Improving Superchain Incident Response Capabilities
Jan 24, 2024
Open Sourcing Utilities for dApp Developers
Dec 21, 2023
The Endgame for Decentralization in the OP Ecosystem is Stage 2
Nov 27, 2023
OP Testnets are migrating from OP Goerli to OP Sepolia.
Nov 21, 2023
Preparing the ecosystem for multiple chains
Nov 9, 2023
Providing Easier Access to Testnet ETH Across the Superchain with the Superchain Faucet
Nov 7, 2023
Introducing the Canyon Hardfork
Nov 1, 2023
Answering the call: How RISC Zero and O(1) Labs are bringing ZK proofs to the OP Stack
Oct 3, 2023
The OP Stack’s Fault Proof System is live on OP Goerli
Sep 28, 2023
The game’s afoot: designing modular dispute games for the OP Stack’s Fault Proof System
Sep 25, 2023
Social Decentralization & the OP Stack’s Fault Proof Virtual Machine
Aug 23, 2023
Maximizing fault proof modularity with a composable pre-image oracle
Aug 1, 2023
Using onchain reputation data for testnet funds with the Superchain Faucet
Jul 24, 2023
Building a Fault Proof System worthy of the Superchain
Jun 26, 2023
Here’s how you can reproduce OP Mainnet’s migration to Bedrock
Jun 22, 2023
The OP Stack: Modular, Exponential Scalability for L2s
Jun 15, 2023
Building op-erigon: how Test in Prod joined the Optimism Collective
Jun 1, 2023
Community-Driven Development: Introducing OP Stack Mods
May 19, 2023
Multi-proof design in the OP Stack
May 4, 2023
Building a Decentralized Identity Ecosystem, Together
May 1, 2023
Progressing towards decentralization: highlights from the Keys in Mordor summit
Apr 24, 2023
Improving token discoverability and trust through the Superchain Token List
Apr 20, 2023
Introducing op-erigon: how the Bedrock upgrade unlocks client diversity
Apr 4, 2023
Exploring a new RPC endpoint to support ERC-4337 and account abstraction
Mar 22, 2023
Increasing Confidence in the OP Mainnet Bridge with Two-Step Withdrawals
Mar 2, 2023
Here’s How Bedrock will Bring Significantly Lower Fees to OP Mainnet
Feb 23, 2023
Optimism’s Path to Technical Decentralization
Feb 3, 2023
Building Bedrock
Jan 20, 2023
Bedrock Security Reviews & Audit Competition
Dec 21, 2022
OP Goerli is Migrating to Bedrock
Dec 15, 2022
Making Blockchains Human-friendly
Nov 10, 2022
EIP-4844: An Optimistic Bet on Rollup Scalability
Nov 3, 2022
Pragmatism: designing a Figma library in the open
Oct 18, 2022
Announcing OPCraft: an Autonomous World built on the OP Stack
Oct 17, 2022
Introducing the OP Stack
Jul 25, 2022
Drippie: How OP Mainnet automates Ethereum
Jun 30, 2022
Optimism is Migrating From Kovan to Goerli Testnet
May 19, 2022
Introducing Bedrock
Apr 5, 2022
Reliability and Hardening
Mar 9, 2022
CANNON CANNON CANNON: Introducing Cannon
Mar 3, 2022
The Road to Sub-dollar Transactions, Part 2: Compression Edition
Feb 15, 2022
The Road to Sub-dollar Transactions Part 1: Slashing Fees by 30%
Aug 11, 2021
Introducing Smock v2
Aug 10, 2021
A Love Letter to Etherscan
Jul 27, 2021
The Missing Message Mystery