Cometh Hosts Exclusive Crypto Business Event During Paris Blockchain Week

**Kaiko**, a leading provider of institutional-grade digital asset market data, has **acquired Cometh**, marking a significant consolidation in the blockchain data infrastructure space. **Key Details:** - Cometh brings onchain expertise that complements Kaiko's regulated reference rates, indices, and market data platform - The acquisition provides Cometh's technology access to broader data infrastructure and increased product investment - The deal positions both companies to scale **MiCA-regulated** onchain data services for institutional clients This merger combines Kaiko's institutional-grade data capabilities with Cometh's blockchain gaming and Web3 gateway expertise. The union aims to strengthen infrastructure for digital asset market data under Europe's Markets in Crypto-Assets (MiCA) regulatory framework. Full announcement: [kaiko.com/news/Kaiko-Acquires-Cometh-to-Scale-MiCA-Regulated-Onchain-Data-Infrastructure](http://kaiko.com/news/Kaiko-Acquires-Cometh-to-Scale-MiCA-Regulated-Onchain-Data-Infrastructure)

A significant acquisition in the oracle infrastructure space is underway, driven by increasing institutional demand for reliable onchain data services in capital markets. **Key Details:** - The merger aims to strengthen capabilities in oracle services and data infrastructure - Reflects growing institutional adoption of blockchain technology in traditional finance - Partnership includes integration with Chainlink BUILD program for enhanced oracle services - Focus on multi-asset lending platform development with improved security The combined entity will leverage Chainlink's cryptoeconomic model and technical support to deliver enterprise-grade oracle solutions for capital markets participants seeking blockchain integration.

**Cometh Battle** maintains its position as a leading blockchain game with its **player-centric economics** model. Key features: - **Free-to-play and play-to-own** structure - Players craft cards using battle rewards and DeFi tokens - **No direct card sales** by developers - Galactic battles with strategic deck-based gameplay The game supports competitive gaming through: - Regular tournaments and championships - **eSports community building** - Fair economic distribution Cometh Battle represents the evolution of blockchain gaming, where players truly own their assets and can earn through skilled gameplay rather than purchasing power.

OpenZeppelin identified a security vulnerability in EthCC's crypto-native checkout system that could have enabled unauthorized access to 80 unpaid tickets. The system, built with Cometh's support, was designed to accept tokens from multiple L2s. Key points: - Vulnerability discovered June 25 - No instances of exploitation detected - Fix promptly deployed - Issue related to ERC-2771 standard integration The vulnerability stemmed from problematic integration of ERC-2771 and self delegatecall with user input data. Polygon Labs security team collaborated with OpenZeppelin and ThirdWeb for mitigation. [Full technical report](https://docs.google.com/document/d/1-lw4Yd6XjeNqtUc0mn4YKggr0vrAgg0Muk9f9ORcgUs/edit?usp=sharing)