This rehearsal is for infra providers and projects running nodes, and will help ensure a seamless upgrade to Bedrock early next year.

Migration of Optimism Goerli to Bedrock

12 December 2022

Optimism is a fast, stable, and scalable L2 blockchain built by Ethereum developers for Ethereum developers. Built as a minimal extension to existing Ethereum software, Optimism’s EVM-equivalent architecture scales your Ethereum apps without surprises. If it works on Ethereum, it works on Optimism at a fraction of the cost.

Bedrock is the next major release of the Optimism network, planned for the first quarter of 2023.

What’s the big deal with Bedrock?

  • Reduces L1 to L2 deposit times by over 4x
  • Slashes the cost of data submission to L1 by ~20%
  • It cuts the difference with Geth down to a slim ~500 lines of code
  • Supports any number of alternative proof systems (including ZK)

Bedrock is the cheapest, fastest, and most advanced rollup architecture. Ever. Anyone can say it, only Optimism can back it up. Bedrock is the culmination of countless hours of research and development with the goal of building the best rollup architecture yet. And we couldn’t be more excited to share it with you.

What can you expect?

The Optimism team is spending a lot of effort to make sure the transition to Bedrock is seamless. Bedrock will be a transparent update: you won’t notice anything as a user. Developers can check out the OP changeset to see if any Bedrock changes will affect their applications, and node providers can read this guide on how Bedrock nodes will change. Here are a few interesting things you’ll notice:

  • Average transaction fees will be significantly reduced so Optimism can keep the title of cheapest EVM-based Optimistic Rollup on the planet.
  • Deposits and withdrawals are now highly optimized.
  • Optimism nodes will sync up to 50x faster. That’s some fast code.
  • Bedrock has been merged into the primary Optimism monorepo in preparation for prime time. Get ready for the next generation of L2.

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