QCAD, Canada's first regulated Canadian dollar stablecoin, is live on Arc testnet today. Issued by Stablecorp on Arc and supported through StableFX, QCAD extends Arc's stablecoin coverage giving developers and institutions CAD-denominated rails, native onchain FX between CAD and USD, and the foundation for institutional-grade FX onchain.

Join Sam Sealey and Sipho Yawe for an Arc Builder Spotlight demo of Chariot, a cross-chain collateral lending protocol on Arc Testnet. See ETH bridged from Sepolia via ETHEscrow, learn how the ERC-4626 ChariotVault provides dual yield (borrower interest + USYC T-bill returns), and watch a live liquidation & circuit-breaker scenario. Deep dive into the protocol contracts, risk model, and vault agent that manages USYC exposure. Arc is offered by Circle Technology Services, LLC (“CTS”). CTS is a software provider and does not provide regulated financial or advisory services. You are solely responsible for services you provide to users, including obtaining any necessary licenses or approvals and otherwise complying with applicable laws. Arc has not been reviewed or approved by the New York State Department of Financial Services. The product features described in these materials are for informational purposes only and may be modified, delayed, or cancelled without notice at the sole discretion of Circle Technology Services, LLC. Nothing herein constitutes a commitment, warranty, guarantee, or investment advice. USDC is issued by regulated affiliates of Circle. [A list of Circle’s regulatory authorizations can be found here](https://circle.com/legal/licenses/).

Prediction markets are evolving across many use cases into institutionally relevant financial platforms. This post explores how Arc can give builders the infrastructure to create usable, credible, and globally accessible onchain prediction markets.

The agentic economy is emerging as a powerful new paradigm, and Arc is designed to support AI-driven systems that require predictable onchain transactions. On Arc, AI-related transactions can be built around stablecoin-native infrastructure.

What does funding and support look like for builders on Arc? At Arc Studio, Circle’s Grants and Ventures teams shared how we work with builders, from early-stage projects to scaling companies, and what we look for across the ecosystem. If you’re building with USDC or on Arc, this is for you. Are you a builder? Be sure to: - 👉 [Browse our docs](https://docs.arc.network) - 👉 [Get developer support](https://discord.com/invite/buildonarc) - 👉 [Follow us on X](https://x.com/Arc) - 👉 [Read our blog](https://www.arc.network/blog)

Turnkey gives Arc teams a practical way to own wallet UX, control signing permissions, and support backend transaction flows without bolting wallet complexity onto users.

A short survey about the Circle Agent Stack.