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A introduction to. Arc from Tim Baker, and a call to action to builders to go post in our forums!

Welcome to the Arc Hub, A Community Introduction

HJ from Circle DevRel walks through Circle Gateway, showing how developers can use unified USDC balances to build chain-agnostic applications across Arc and other supported networks. The session covers Gateway’s deposit and transfer model, burn intents, attestations, forwarding for gas abstraction, and support for both EVM and Solana flows. HJ also demos a sneak peak of the new Unified Balance Kit, which simplifies multichain deposits, balance checks, and transfers into a much cleaner SDK experience. The workshop ends with Q&A on SCA delegation, gas sponsorship, fees, finality, and agent-based automation.

ArcShop with HJ: Building Chain Agnostic Apps with Circle Gateway and Circle Wallets

Unified Balance Kit Developer Office Hours is a developer focused workshop around Unified Balance Kit. Developer Relations Lead, Elton will briefly recap the unified balance mental model, walk through how deposit, depositFor, getBalances, estimateSpend, and spend fit together, and show the fastest path from install to first successful flow using the public docs and quickstart. The second half of the session will function as live office hours for builders, covering implementation questions, supported chains and tokens, adapter choices, fee estimation, and practical payout and treasury use cases so developers can move from launch awareness to hands-on adoption.

Agenda

- Introductions + Unified Balance Kit launch recap (5 mins)
- Unified Balance Kit overview: unified balance mental model, supported flows, and developer value (10 mins)
- Hands-on walkthrough: install, adapters, deposit, depositFor, and getBalances (20 mins)
- Hands-on walkthrough: estimateSpend, spend, and crosschain payout patterns (15 mins)
- Office hours: live builder Q&A, implementation questions, docs, and next steps (10 mins)
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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/).

ArcShop with Elton: Unified Balance Kit for Crosschain USDC Flows

App Kits Developer Office Hours is a developer-focused workshop around Circle App Kits. Developer Relations Lead, Elton will briefly recap the App Kits mental model, walk through how Bridge, Swap, Send, and built-in monetization fit together, and show the fastest path from install to first integration using the public docs and quickstart. The second half of the session will function as live office hours for builders, covering implementation questions, supported chains and tokens, adapter choices, and practical use cases so developers can move from launch awareness to hands-on adoption.

Agenda

- Introductions + App Kits launch recap (5 mins)
- App Kits overview: Bridge, Swap, Send, and built-in monetization (10 mins)
- Hands-on walkthrough: install, adapters, quickstart flow, and key docs/resources (25 mins)
- Office hours: live builder Q&A, implementation questions, and use-case discussion (15 mins)
- Wrap up and next steps! (5 mins)
---

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/).

App Kits Developer Office Hours: Bridge, Swap, Send, and Monetization

Arc Mainnet launch livestream

Welcome to the Arc Community Hub

Turkey

Arc Testnet'te 3 Ay: Öğrendiğim 10 Şey

Build Together

Architects

Testnet'te Yaptığım En Faydalı Şey: Issue Açmak

Member Lounge

Arc 🤝 Ledger: Hardware-backed wallet support for Arc

Limited builder tickets for ETHGlobal Pragma + Come see our team in Cannes!

Hackathons

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