OP Labs Team

Protocol Development Featured

Solving Interoperability for the Superchain and beyond

This blog post details our approach to unifying the Superchain by bringing native Interoperability to the OP Stack and enhancing UX across the Ethereum ecosystem by adopting standardized cross-ecosystem interfaces.

Protocol Development Featured

The Fault Proof System is available for the OP Stack

This post outlines the key features and benefits of fault proofs, details its rollout plan, and offers a glimpse of what's next on the path of technical decentralization.

Protocol Development Featured

Unpacking progress in baseline decentralization

This post details the latest baseline decentralization upgrades - including permissionless output proposals, bridge improvements, and permissioned roles updates - helping advance the OP Stack towards a more decentralized future.

Initial findings from the fault proof program Sherlock audit

With the Sherlock audit contest completed, fault proofs are one step closer to OP Mainnet! This post covers initial contest results and next steps.

Build faster, build together: Introducing the Superchain Developer Console

A one-stop shop for aggregated tools and promotions, the Optimism Collective’s new Superchain Developer Console makes it easier than ever for developers to build and grow their businesses across the Superchain. The Superchain Dev Console makes it as easy, and accessible to launch your app on the Superchain. Whether

Open-source and feature-complete fault proofs bring permissionless validation to the OP Sepolia testnet

Feature-complete fault proofs are live on OP Sepolia! This milestone testnet release lays the foundation for a "multi-proof nirvana" and Stage 2 Superchain.

Protocol Development

Improving Superchain Incident Response Capabilities

OP Labs is introducing a proposed protocol upgrade to bolster the ability to respond to security incidents in a coordinated manner across all OP Chains.

Engineering

The Endgame for Decentralization in the OP Ecosystem is Stage 2

This blog post shares more about how we are thinking about decentralization at OP Labs as we support the ecosystem engineers building out a fault proof system for the OP Stack and the Optimism Collective as it establishes its first security council.

Protocol Development

OP Testnets are migrating from OP Goerli to OP Sepolia.

Ethereum's Goerli testnet, and OP Goerli along with it, will be fully decommissioned in January 2024. Migrate to OP Sepolia for any testing and development needs!

Engineering

Preparing the ecosystem for multiple chains

This blog post shares details about the first code changes that will make the Superchain real. The first establishes as protocol version system, and the second focuses on smart contract upgrades.

Engineering

Introducing the Canyon Hardfork

On Nov. 14 at 17:00 UTC, Superchain testnets will upgrade to Canyon! This blog post outlines all the changes coming to the Optimism ecosystem in the wake of this protocol upgrade.

Protocol Development

The OP Stack’s Fault Proof System is live on OP Goerli

This post gives an overview of the OP Stack's first fault proof system, its components, and how they will work together to enhance decentralization in the Optimism ecosystem.

Ecosystem

Building a Fault Proof System worthy of the Superchain

An update on technical decentralization and the OP Stack's first Fault Proof System.

Protocol Development

Progressing towards decentralization: highlights from the Keys in Mordor summit

In February, OP Labs engineers and core developers from the Optimism Collective gathered in person for the Keys in Mordor summit. The goal for this summit? Figure out how to take Optimism’s upgrade keys to Mordor and safely throw them into Mount Doom, rendering the protocol technically decentralized. Attendees

Events

OP in Denver: Rollup Recap

A recap of the super time Optimists from OP Labs and the Optimism Foundation had talking about scaling Ethereum, the Superchain, and RetroPGF at ETHDenver.

Protocol Development

Optimism’s Path to Technical Decentralization

An update on OP Labs’ goals for advancing Optimism’s technical decentralization.

Protocol Development

Bedrock Security Reviews & Audit Competition

This article was written in collaboration with Maurelian. With the recent successful migration of the OP Goerli to Bedrock, we are approaching a crucial phase of the Bedrock release: the OP Mainnet upgrade. The size and complexity of Bedrock means that ensuring the security and stability of the system was

Protocol Development

OP Goerli is Migrating to Bedrock

After a year of intense research and development, OP Labs has built the cheapest, fastest, most minimal codebase for an Ethereum-equivalent rollup, ever. We plan to bring this game-changing architecture to OP Mainnet in an upgrade called Bedrock. To get ready for this release, we are migrating OP Goerli to

Ecosystem

Making Blockchains Human-friendly

Alpha leak: today marks the start of the beta for the Optimist NFT, a customizable profile picture project meant to represent user identity across the Optimism ecosystem. Coming soon to a Collective near you! 👀 The Optimist NFT is one of the first applications built on top of the AttestationStation, a

Events

OP in Bogotá: Rollup Recap

A recap of the time your Optimistic amigos spent at ETHBogotá and Devcon 6, complete with Hackathon winners, workshop highlights, and links to our many presentations.

Events

OP in Paris: Rollup Recap

A recap of all things Optimism at EthCC Paris, with links to presentations on Bedrock, EIP-4844, Cannon, and Optimism's technical roadmap.

Protocol Development

Optimism is Migrating From Kovan to Goerli Testnet

💡Note: OP Kovan has been decommissioned as of 10/5/2022. The Kovan testnet has been deprecated by the Ethereum community, with only two validators remaining. To avoid disruptions on a network that is no longer actively maintained, we’ve started the process of migrating our testnet from OP Kovan

Protocol Development

Introducing Bedrock

Bedrock is the cheapest, fastest, and most advanced rollup architecture. Ever. 💡Read up on the specific changes to OP Mainnet for developers coming with the Bedrock release here. Optimism has always tried to stay on the cutting edge of rollup architecture. Last year, we introduced the concept of EVM Equivalence,

Engineering

CANNON CANNON CANNON: Introducing Cannon

Today, we’re extremely excited to formally introduce Cannon to the world. Cannon is OP Mainnet’s next-gen fault proof. Its initial implementation by geohot became the first public fault proof implementation that can run an EVM-equivalent L2. Oh, and it also enables the theoretical minimum calldata gas costs. From

Protocol Development

The Road to Sub-dollar Transactions, Part 2: Compression Edition

Optimistic rollups are rapidly gaining maturity. As we move beyond the “zero to one” phase, the name of the game is optimization–and the most tangible optimization is cost. Within the next month we will be decreasing fees 30–40% by deploying the first ever system-wide calldata compression on any