Dear Circle Stock Fans, Mark Your Calendars for September 16

Image by Monkey Business Images via Shutterstock Stablecoin issuer Circle (CRCL) has communicated in its latest earnings call that its blockchain operating system Arc Mainnet will be launched next month on Sept. 16. The operator of the world’s second-largest stablecoin, USDC, also revealed that it has entered into partnerships regarding Arc Mainnet, key among them…


Dear Circle Stock Fans, Mark Your Calendars for September 16
Image by Monkey Business Images via Shutterstock
Image by Monkey Business Images via Shutterstock

Stablecoin issuer Circle (CRCL) has communicated in its latest earnings call that its blockchain operating system Arc Mainnet will be launched next month on Sept. 16. The operator of the world’s second-largest stablecoin, USDC, also revealed that it has entered into partnerships regarding Arc Mainnet, key among them being with the Depository Trust & Clearing Corporation (DTCC) and the world’s largest asset manager, BlackRock (BLK).

About Circle

Founded in 2013, Circle is best known for being the issuer of USDC. Today, USDC has become one of the most widely used digital dollars globally. Further, Circle provides APIs for businesses to issue wallets, send payments, accept stablecoin payments, convert fiat currency to stablecoins, and build blockchain financial applications.

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Valued at a market cap of $15.7 billion, CRCL stock is down 14% on a year-to-date (YTD) basis. However, since its IPO in June 2025, the share price has doubled.

So, can Arc Mainnet be the catalyst for another upmove? Let’s find out.

www.barchart.com

What Is Circle’s Purpose With Arc Mainnet?

Before diving into what Arc Mainnet is and how it will bring value to Circle, it must be acknowledged that for an issuer of a leading stablecoin like USDC, a blockchain seems like a natural progression. With Arc Mainnet, Circle is looking to build the infrastructure to make USDC the preeminent currency of the internet economy.

Arc is an open Layer-1 blockchain built by Circle specifically for stablecoin-native financial applications. Unlike Ethereum (ETHUSD) or Solana (SOLUSD), which are general-purpose blockchains, Arc is purpose-built for financial use cases such as payments, foreign exchange, treasury management, lending, capital markets, and tokenized real-world assets.

But if Arc is the blockchain, what is Mainnet? Mainnet is the stage where a blockchain goes live after testing by developers and selected participants. This phase is called the testnet. Notably, Arc has already completed its development and public testnet phases. Circle’s roadmap then moves through a private mainnet before opening a public mainnet to everyone.

Meanwhile, the purpose behind building its own blockchain is that Circle wants to reduce reliance on third-party blockchains such as Ethereum, Solana, and Polygon (POLUSD), among others. Here, Circle has no control over the ecosystem or the transaction fees. Thus, by creating Arc, Circle retains control of the core infrastructure while continuing to support the broader multichain ecosystem.

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