Optimism

The Superchain network has published its second-half 2025 performance breakdown, providing insights into the network's development and metrics during the latter six months of the year. This report follows the broader industry focus on chain abstraction that emerged as a key theme in 2025, examining how the Superchain ecosystem evolved during this period. **Key aspects likely covered:** - Network growth and adoption metrics - Technical improvements and upgrades - Transaction volumes and user activity - Developer ecosystem expansion The breakdown offers stakeholders a data-driven view of the Superchain's progress as Ethereum scaling solutions continue to mature.

The Superchain has deployed its U18 upgrade, bringing significant infrastructure improvements. **Key Updates:** - U18 is now live across the network - Features under-the-hood technical enhancements - Strengthens the overall Superchain architecture The upgrade focuses on backend improvements rather than user-facing features, continuing the platform's commitment to building robust infrastructure for Ethereum scaling.

**OP Mainnet has reached a new milestone** with daily transactions hitting an all-time high. This marks continued growth for the Ethereum Layer 2 network, which has been consistently scaling real usage across its ecosystem. The spike in activity suggests increasing adoption and network utilization. **Key points:** - Daily transaction volume reached record levels - Follows pattern of sustained growth on the network - Demonstrates ongoing scaling of real-world usage The achievement reflects OP Mainnet's position as a fast and stable scaling solution for Ethereum.

Zero-knowledge (ZK) technology is being integrated into the Superchain ecosystem, promising significant improvements to user experience. **Key improvements include:** - Faster withdrawal times - Reduced friction in transactions - Enhanced overall user experience The integration represents a technical advancement that could streamline interactions across the Superchain network. ZK proofs enable faster finality without compromising security, addressing one of the main pain points users currently face with withdrawal delays.

Optimism has announced **Succinct Labs as its first preferred ZK proving partner** to improve withdrawal speeds on the OP Stack. The partnership aims to make markets more efficient by enabling: - **Faster withdrawals** that are both efficient and secure - Reduced finality times from weeks to 1-7 days - Lower bond requirements, dropping from hundreds of ETH to just 5-15 ETH Succinct Labs recently released **OP Succinct Lite**, a solution that allows OP Stack rollups to integrate ZK fraud proofs without major infrastructure changes. The system resolves disputes through single-step computation while maintaining compatibility with existing sequencers and nodes. AltLayer's RaaS platform supports seamless integration of Lite for Optimism-based rollups.

The **Optimism Scaling Summit** is taking place, bringing together leaders focused on scaling business innovation and onchain growth. The event features speakers from major organizations including: - Kraken - Celo - Alchemy - LayerZero - Morpho - Base - Flashbots - OP Labs Discussions cover key scaling topics: - Throughput improvements - Payment solutions - Privacy technology - Onchain entertainment The summit is being held live in Denver with worldwide streaming available. [Watch the broadcast](https://x.com/i/broadcasts/1mrGmBPEwaDJy)

Optimism has announced the launch of its **liveness module**, a technical solution designed to improve network reliability and uptime. The module addresses critical infrastructure challenges in the Optimism network, though specific technical details are available in their [full blog post](https://www.optimism.io/blog/liveness-module). This development continues Optimism's focus on building robust scaling solutions for Ethereum. The team is actively [hiring](http://optimism.io/careers) engineers interested in solving similar technical problems. Developers can explore building on Optimism's infrastructure at [optimism.io](https://www.optimism.io/).

A critical security primitive has been released as open-source, removing proprietary barriers that previously restricted access to essential security tools. **Key Points:** - The tool is now freely available for anyone to use, fork, or improve - Release aims to enhance industry-wide security by democratizing access to critical infrastructure - Follows the principle that security tools shouldn't be locked behind proprietary walls The move represents a shift away from "security by obscurity" toward transparent, community-driven security practices. Developers can now integrate, modify, and build upon the tool without licensing restrictions.

Optimism has deployed a new open-source module for multisig operations, following a security audit by Spearbit. **Key Details:** - The module is now publicly available and open-source - Successfully audited by security firm Spearbit - Already in production use by Optimism's own multisig wallets - Built to address internal operational needs The release represents Optimism's commitment to building and sharing infrastructure tools that serve both their own operations and the broader Ethereum ecosystem.

A new liveness module addresses a critical security gap in multisig wallets. The system works through a simple challenge-response mechanism: - A trusted fallback can challenge the multisig with "Are you still alive?" - The multisig must respond by executing a transaction - If too many keys are lost or compromised, the fallback takes control **Key Innovation:** The module cleverly handles malicious actors who block legitimate transactions while signing liveness proofs to appear active. The solution: honest signers simply don't respond to challenges, triggering the fallback mechanism automatically. This prevents scenarios where bad actors maintain control by appearing operational while blocking real transactions.