Arc (@arc) / X

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Oct 28, 2025

Arc Public Testnet is now live. Open to developers and enterprises globally, Arc is the Economic OS for the internet that unites programmable money and onchain innovation with real-world economic activity. Start building: docs.arc.network Learn more:

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Most chains will address quantum security when they have to. Arc is being designed with future quantum capabilities in mind from the start. @gordonliao explains how Arc incorporates quantum-resistant signatures and a mapped path for migrating assets to quantum-safe wallets.

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Arc Testnet will undergo a planned load testing phase on July 8, 2026. The goal is to profile network performance and stability under edge-case conditions. During testing, users may experience network congestion, higher failed transaction rates, higher fees, higher block times,

if you have been building with App Kit and ran into issues, we have compiled a list of FAQs that can hopefully hasten your troubleshooting journey.

App Kit FAQs - Blog | Arc House

From community.arc.io

Aerodrome 🛫

Privacy should be intentional, visible, and controlled. Arc’s privacy roadmap is designed around future opt-in confidentiality, giving teams a way to choose where privacy belongs in a workflow. For builders, that could open the door to product experiences with: → Privacy status

Hurry up and wait. A financial system tale as old as time. On Arc, payments, FX, and treasury workflows are built to move in real time. Move fast. Move agentically. Move forward.

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Circle Agent Stack helps developers build agents that can do more than generate text. In this guide, an agent uses Circle Agent Wallet to: → Find a paid voice-call service → Pay for the resources it needs in USDC → Place the call → Return a transcript, recording URL, and

Arc 🤝 Pyth Welcome! @PythNetwork who's price feeds are live on @arc Testnet. Contract addresses are published and a standard EVM integration flow documented! Start wiring real-time market data into smart contracts Learn More:

Arc 🤝 Pyth: Real-time market data for pricing-sensitive apps on Arc - Blog | Arc House

From community.arc.io

Arc 🤝 Pyth @PythNetwork is delivering high-frequency, proprietary financial data for developers building on Arc Testnet. This gives builders the precision and reliability needed to power real-time applications across DeFi, trading, and next-gen financial infrastructure. →

I wrote about why money's second act runs on @arc. The first act of digital money brought dollars onchain. The next one needs infrastructure built for businesses, institutions, and agents: stable fees, final settlement, opt-in privacy, and payments at machine speed.

Money's second act runs on Arc - Blog | Arc House

From community.arc.io

Money's second act runs on @arc. @0xrachelita lays out why in this article. The first act got dollars onchain. The next one is about money that works: stable fees, final settlement, opt-in privacy, and agents settling at machine speed.

Money's second act runs on Arc - Blog | Arc House

From community.arc.io

At @AIAgentsSummit Berlin, developers explored what happens when AI agents can do more than generate outputs. Using Circle Agent Stack, builders showed agents that could hold wallets, manage budgets, discover paid services, pay for APIs or data, coordinate workflows, and return