Blockdaemon Blog

Announcing Support for Arc’s Public Testnet

Oct 28, 2025
By:
Conor
Keville
&
Blockdaemon announces support for Arc's Public Testnet with institutional-grade infrastructure support.

Blockdaemon is supporting Arc’s Public Testnet as an infrastructure provider, keeping Arc accessible, performant, and reliable for developers from day one. 

For institutions, Arc’s public testnet offers the ability to gauge performance and test integrations before any value moves to mainnet. With this integration, Blockdaemon provides an institutional-grade RPC service for Arc's Public Testnet and will evolve its support as mainnet approaches to provide DeFi and wallet support, highlighting our commitment to the Economic OS being built on the Arc network.

What is Arc and Why Arc Matters? 

Arc is an open Layer-1 blockchain network built as the Economic OS for the internet and designed to meet the needs of developers and companies bringing real-world economic activity onchain. Built by Circle, Arc represents an inflection point where scalable, globally distributed blockchain networks become broadly used in a wholesale shift of economic activity to the internet.

Arc is designed to serve as the foundation for asset issuers, fiat stablecoins along with tokenized equities, credit, and money market funds. The network features:

  • Low, predictable fees: Stablecoins like USDC as native gas with multiple stablecoins to be supported
  • Deterministic sub-second finality: Instant settlement secured by the Malachite consensus engine
  • Comprehensive developer tools: Full documentation, RPCs, and block explorer available today

A Vibrant Day 1 Ecosystem

Arc's public testnet launch brings together a powerful coalition across major sectors of the global financial system and onchain economy, including:

  • Stablecoin and asset issuers from key geographies including Australia, Brazil, Mexico, the Philippines, and Canada
  • Digital asset markets including DEXs, CEXs, market makers, borrow/lend protocols, and custodians
  • Global payments and fintech spanning cross-border payments, retail payment networks, B2B payments, and ecommerce platforms
  • Traditional capital markets firms exploring onchain infrastructure for equity and derivatives markets
  • Banks, asset managers, and insurance institutions expanding into payments, lending, and asset issuance onchain

What Institutions Can Test

Arc's public testnet provides an open environment to pressure test performance, harden security, and stand up integrations before real money moves to mainnet. Developers and institutions can:

  1. Deploy smart contracts and test transaction flows
  2. Launch tokens to test swaps and interactions across assets
  3. Conduct crosschain transfers between Arc and other networks
  4. Validate wallet operations and user experiences using stablecoins like USDC as gas

Blockdaemon's Role

As an institutional-grade infrastructure provider, Blockdaemon delivers the reliable RPC services and node infrastructure that enterprises need to build with confidence. Our support for Arc's public testnet enables institutions to evaluate performance, test integrations, and prepare for mainnet deployment with the security and reliability they expect.

How to Get Started

To learn more about Blockdaemon’s integration with Arc’s Public Testnet, book a call with the team today. 

Full details of the testnet can be found on the official blog.

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