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Field notes from the stablecoin command center

Product updates, design notes, and deep-dives on Circle Gateway, CCTP, and the Arc ecosystem. No fluff. Only what we'd want to read ourselves.

Latest

Introducing Oneliq

One interface for USDC swap, cross-chain balance, and automated send on Arc. Built on Circle App Kit, CCTP V2, Gateway, and Programmable Wallets.

Trade: One Interface, Three Settlement Routes

USDC/EURC swap on Arc via Circle App Kit, USDC bridge across 8 chains via CCTP V2, and unified spend from Gateway deposits. One trade form, three routing engines.

Unified Balance: Manage USDC Across Every Chain

Chain-agnostic USDC management via Circle Gateway, with three ways to spend: auto-routing, single source, and manual allocation.

Circle Wrapped Bitcoin is now live on Oneliq

Circle Wrapped Bitcoin is live in the Oneliq trade picker on Arc Testnet and Sepolia. 1:1 BTC-backed, neutral issuer, EVM-native. The foundation for BTC DeFi in the Circle stack.

Meet the Auto-Replenish Agent

Sign once. Your agent keeps a wallet topped up when it dips low, or sends USDC on a schedule - across 8 chains via Circle Programmable Wallets, CCTP V2, and Paymaster-sponsored gas. Preview on Arc Testnet.

Oneliq is officially live on Arc Testnet

Oneliq is live on Arc Testnet. Unified Balance via Circle Gateway, native Trade with CCTP V2, and a one-click ERC-20 launcher are open today, with more surfaces to follow.

What is Oneliq?

The stablecoin command center on Arc: Unified Balance, native Trade, instant token creation. The design thesis, rewritten.

In the Pipeline

Pinning a frontend to IPFS, the right way

How we ship immutable builds: deterministic bundles, two pinning providers, ENS contenthash via multi-sig, and a verification flow anyone can audit.

CCTP vs lock-and-mint bridges

Native USDC bridges burn-and-mint instead of locking liquidity. Walking through what that means for users, attackers, and the broader stablecoin economy.

Circle Gateway and the multichain USDC future

Why Circle's Unified Balance Kit changes the UX of cross-chain stablecoin flows, and how we're planning to integrate it without bloating the bundle.

Our security stack, in one page

CSP, SRI, multi-sig, IPFS, vulnerability disclosure, incident response. The whole defense-in-depth story, written so you can verify each layer yourself.

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