Celestia Mainnet Goes Live

Quick Take

• Celestia goes live on mainnet beta.
• Vitalik Buterin outlines the Layer 2 ecosystem.
• Optimism prepares for special voting cycle #16b.
• Unibot suffers a $640k exploit.

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Optimism Highlights 🔴✨

Optimism Governance Updates
Optimism governance concluded its special voting cycle #16a, leading to the approval of six governance proposals. The proposals include changes to the Optimism Security Council, the formation of an Anticapture Commission, and budgets for a Developer Advisory Board, Grants Council, and Code of Conduct Council. Users can currently self-nominate for positions on the Grants Council and Code of Conduct Council, with the deadline set for November 1st at 19:00 UTC. On Thursday, November 2nd, Optimism will initiate special voting cycle #16b, which will feature elections for both councils, approval of the Law of Chains, Intent Budgets, and the introduction of a Chain Delegation Program.

Celestia Mainnet Goes Live

Celestia, a modular data availability network, is now live on mainnet beta. The deployment comes four years after the release of its original whitepaper. Keplr, Leap, Ledger, and Mystic Metamask Snaps are compatible with the network. Users can use Celenium, Mintscan, and Modular Cloud block explorers for tracking Celestia transactions. Users can also operate a Celestia Light Node, which plays a vital role in gossiping information and helping ensure data accessibility. Developers can use Caldera, AltLayer, and Vistara RaaS providers to deploy rollups with Celestia serving as the data availability layer. At the time of writing, TIA, Celestia's native token, is trading at $2.42.

Vitalik Outlines Types Of L2s

Vitalik Buterin published a blog post outlining the diversification in the Layer 2 ecosystem. He notes trends in varying types of L2s, including L1 projects transitioning to L2, centralized projects aiming for enhanced security, and non-financial applications striving for a balance between security and decentralization. The blog outlines Rollups and Validiums. Rollups validate computations through either fraud proofs or ZKPs and keep data on L1. Validiums use ZKPs but store data externally. Vitalik introduces the term disconnected systems, which refers to trusting a small set of entities not to mishandle funds. He also underscores two facets of connection to Ethereum: the security of withdrawing to Ethereum and the security of reading Ethereum.

Unibot Suffers $640k Exploit

Unibot, a popular Telegram-based trading tool, suffered an exploit resulting in a loss of over $640k. Uniswap founder Hayden Adams criticized the tool for its poor private key storage method and for trading through unverified routers. A vulnerability allowed an attacker to make an arbitrary call to drain tokens that were approved for the contract. Unibot allowed users to swap assets without having to leave the Telegram app.

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• Hardhat Ignition 0.11.1 release
• Introducing the Subscription Token Protocol
• Wallet Connext adds Russia to blocklist
• How to check if a contract is verified
• Announcing Code4rena team profiles
• Restaking Summit speakers
• SEC broke the law

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