KUN Joins Circle Payments Network for 24/7 Stablecoin Settlement

**Circle's USYC tokenized money market fund is now live on Solana**, bringing yield-bearing capabilities to the ecosystem. **Key Features:** - Accrues yield through token price increases - Redeems to/from USDC onchain - Daily pricing with SPL-native integration - Oracle-driven updates **What This Enables:** - Integration as interest-bearing asset in lending protocols - Yield-generating collateral for perpetual trading - Enhanced onchain yield-optimization vault strategies USYC addresses the problem of **static collateral that doesn't capture yield**, helping users maximize capital efficiency. The token is designed for eligible users seeking to optimize their DeFi positions. This follows USYC's previous integration as collateral on Aave's Horizon RWA market, expanding its utility across multiple platforms. [Learn more about USYC](https://circle.com/usyc) | [Read integration details](https://www.circle.com/blog/usyc-now-available-on-solana)

**Circle has announced a collaboration with Deutsche Börse Group**, the international exchange organization and market infrastructure provider, to expand the use of USDC and EURC stablecoins across European capital markets. **Key highlights:** - Partnership aims to advance stablecoin adoption in regulated European markets - Involves a leading European market infrastructure provider and global stablecoin issuer - Represents a **milestone for regulated digital finance in Europe** This collaboration follows Circle's recent partnership with Kraken to expand USDC and EURC access globally, showing the company's continued push to establish stablecoins as core infrastructure for digital finance. The initiative signals growing institutional acceptance of stablecoins in traditional financial markets, particularly in Europe's regulated environment. [Read full announcement](http://www.circle.com/pressroom/deutsche-borse-group-and-circle-announce-collaboration-to-advance-stablecoin-adoption-in-europe)

Circle Research released a new security framework for AI agents operating on blockchain networks. The system addresses a critical problem: **AI hallucinations that could trigger unauthorized token transfers**. **Key Features:** - Automated permission checks wrap all agent tools - Prevents false or "hallucinated" blockchain transactions - Supports complex multi-step workflows - Built on Circle's OOAK framework The framework tackles security risks when AI agents interact with blockchain protocols. Without proper safeguards, agents might execute unintended transactions based on incorrect interpretations. **Technical Approach:** The system uses Circle's Object-Oriented Agent Kit (OOAK) as its foundation. This lightweight framework enables true object-oriented design for AI agents while maintaining state isolation and secret management. Developers can explore the full methodology on [Circle's blog](http://circle.com/blog/building-secure-ai-tools-for-blockchain) and access the implementation on [GitHub](https://github.com/circlefin/circle-ooak). This release comes as AI agents gain traction in decentralized applications, with recent hackathon winners like Chain Sleuth and Wallet Analyzer demonstrating practical blockchain AI use cases.

Linea blockchain completed a groundbreaking transition from bridged to native USDC, marking the first seamless upgrade of its kind. Key highlights: - Over $21M instantly upgraded without disrupting users or apps - No liquidity migration or smart contract changes required - CCTP V2 deployment enables unified cross-chain liquidity - Zero friction for end users during transition The upgrade makes Linea the 19th blockchain with native USDC support, offering: - Direct 1:1 USD redemption for institutional users - Faster cross-chain transfers (seconds) - Day 1 support from major protocols like Aave and MetaMask [Read the full case study](https://www.circle.com/case-studies/linea)