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OP Labs
745 posts
Joined April 2022
- Phase 1 of the stake based experiment has been running as expected since May 26 10am EST. We've now moved to Phase 2. NOTE: This is a time-boxed experiment: four weeks maximum, after which OP Mainnet reverts to standard PGA ordering. Full notice and disclosure before you
- Sepolia testing for stake-based priority order experiment will complete today. Phase 2 of the experiment has been running as expected since May 7. We’ll be deploying to OP Mainnet tomorrow, May 26 at 10am EST. This is a time-boxed experiment: four weeks maximum, after which OP
- Replying to @OPLabsPBCThe window between rotations is the window an attacker operates in. Rotation shortens it. Deletion closes it.
- Replying to @OPLabsPBCFive years of npm supply chain breaches trace back to the same root cause: long-lived credentials sitting somewhere they shouldn't. CircleCI 2023. Shai-Hulud 2025. axios/WAVESHAPER 2026. Different attackers. Same vector. A static token at rest.
- Rotating npm tokens doesn't fix the problem. It resets the clock. We migrated 3 repos and 6 packages to OIDC Trusted Publishing on CircleCI, then deleted every static token on the account.
- OP Labs repostedBig day for the Superchain. 🔴✨ We’re integrating ZK more deeply into the OP Stack, and are excited to announce that @SuccinctLabs is our first preferred proving partner in this area. Validity proofs are going — and withdrawals are about to get faster. Here's what that means.
- OP Labs repostedWe're moving OP-Reth specific crates fully to OP Labs ownership! OP Reth was co-built by @OPLabsPBC and @paradigm engineers to scale the impact of the OP Stack, using the Reth SDK. OP Reth is the primary high-performance execution client across the Superchain, and as this
- OP Labs repostedLISTEN UP EVERYBODY! Today we're launching OP Enterprise. We all know that crypto is at the cusp of major mainstream adoption. Nearly every major enterprise has a crypto strategy. We're the only team that has successfully launched chains for multiple companies. We've packaged
- OP Labs repostedThis is such an incredible step for the OPStack. Kona is becoming a viable alternative to the op-node - it is more maintainable, faster and safer than the go client. Really excited about what’s next, this is the beginning of a new chapterThe Kona repo has been migrated into the @Optimism monorepo. What @vex_0x and @refcell began in early 2024 is now a stable alternative OP Stack implementation. Thanks to everyone who pitched in, and please keep contributing here: github.com/ethereum-optim… In 2026 we’re increasing









