Engineering

Social Decentralization & the OP Stack’s Fault Proof Virtual Machine

This blog post explores the principle of social decentralization, how L2 architecture allows Layer 2s to extend this principle to include proof diversity, and how the Optimism Collective is building its fault proof system to leverage this architecture.

protocol

Maximizing fault proof modularity with a composable pre-image oracle

This blog post explores the modular design of the OP Stack's Fault Proof System, featuring a deep dive into the system’s pre-image oracle.

Ecosystem

Using onchain reputation data for testnet funds with the Superchain Faucet

The Superchain Faucet will enable builders in the Optimism ecosystem to leverage onchain reputation data to to claim up to 20x the typical amount of testnet ETH.

Ecosystem

Building a Fault Proof System worthy of the Superchain

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

Engineering

Here’s how you can reproduce OP Mainnet’s migration to Bedrock

On June 6, 2023, OP Mainnet upgraded to Bedrock, and the entire migration process was designed to be verifiable and reproducible.

Protocol Development

The OP Stack: Modular, Exponential Scalability for L2s

The OP Stack's code is EVM-equivalent, secure, performant, and MIT-licensed. The Optimism Ecosystem Contributions Dashboard can help developers get started.

Guest Post

Building op-erigon: how Test in Prod joined the Optimism Collective

Test in Prod authors this guest post where they share their journey of discovering the OP Stack and building op-erigon.

Community-Driven Development: Introducing OP Stack Mods

OP Labs is excited to start highlighting OP Stack Mods, modifications or improvements to the OP Stack created by members of the Optimism and Ethereum communities, for community feedback.

Protocol Development

Multi-proof design in the OP Stack

With Bedrock, we built a system that can fit many types of proof schemes, providing a more flexible, secure, and future proof OP Stack for builders in the Optimism Ecosystem.

Ecosystem

Building a Decentralized Identity Ecosystem, Together

The Optimism Collective is building a better economic engine that fuels positive-sum games, and decentralized identity is central to that goal. Decentralized identity not only unlocks democratic governance and innovation, but also empowers individuals to have greater control over their finances and participate in the global economy on their own

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

Ecosystem

Improving token discoverability and trust through the Superchain Token List

The Superchain Token List will simplify the process of bridging tokens between Ethereum and OP Chains built on the OP stack, including OP Mainnet and Base.

Protocol Development

Introducing op-erigon: how the Bedrock upgrade unlocks client diversity

Test in Prod leveraged the modular and open source OP Stack to develop an alternate execution client, op-erigon, now available to test on OP Goerli.

Engineering

Exploring a new RPC endpoint to support ERC-4337 and account abstraction

This blog post delves into the intricacies of account abstraction, ERC-4337, and the benefits of a novel RPC endpoint that is being built to make it easier for bundlers to succeed.

Protocol Development

Increasing Confidence in the OP Mainnet Bridge with Two-Step Withdrawals

The Bedrock upgrade will introduce a new two-step withdrawal process to the Optimism Mainnet bridge that will improve its security & make exploits much more difficult.

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

Here’s How Bedrock will Bring Significantly Lower Fees to OP Mainnet

This post explores how the Bedrock upgrade will bring 47% reduction in protocol costs and security fees to Optimism Mainnet.

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

Guest Post

Building the infrastructure for public goods funding

Gitcoin’s new grants protocol is actively under development and, as of this writing, currently in an alpha testing phase. The details in this blog post reflect the latest information at the time of writing, and could change as the alpha test season progresses. You can keep track of the

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

Protocol Development

EIP-4844: An Optimistic Bet on Rollup Scalability

EIP-4844 (protodanksharding) is on the rise. With its development, memes, and community support, it's anticipated as the next big upgrade to Ethereum. But what is it really? In a nutshell, it's a new transaction type that makes it easy to write cheap but ephemeral data on

Ecosystem

Pragmatism: designing a Figma library in the open

Open source and public goods are at the heart of Optimism’s ethos. In alignment with our goal to decentralize the Optimism ecosystem, we plan to open source more and more pieces of the Collective. Today, we are very excited to publish our Figma library, Pragmatism, to the Figma community.

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.