Key Highlights
- Circle unveiled its Arc mainnet on Wednesday, introducing a Layer 1 blockchain that uses USDC as the primary gas token
- Major financial institutions serving as founding validators include BlackRock, DTCC, Visa, Mastercard, and Standard Chartered
- The network provides support for over 20 fiat-backed stablecoins and links to more than 20 blockchains through Circle’s CCTP protocol
- A genesis mint of 10 billion ARC tokens was completed, though Circle clarifies this doesn’t guarantee a public token release
- The project previously secured $222 million through a token presale, achieving a $3 billion valuation
On Wednesday, Circle’s Arc mainnet officially launched, with CEO Jeremy Allaire describing it as “the single most significant launch in Circle’s history since USDC itself.”
The Arc blockchain represents a purpose-built Layer 1 network focused on stablecoin payments, trading operations, and agentic transactions. With approximately $74 billion currently in circulation, USDC functions as the network’s core gas token.
Designed with EVM compatibility, the chain delivers deterministic settlement finality in under one second. This technical architecture aims to appeal to both developers and institutional players seeking rapid, stablecoin-centric infrastructure solutions.
The launch day saw participation from over 100 institutional and ecosystem partners. The validator roster includes prominent names such as BlackRock, the Depository Trust & Clearing Corporation (DTCC), ICE, Mastercard, Visa, Standard Chartered, MoneyGram, SBI Group, Sumitomo, Worldpay, and Galaxy.
Circle operates a permissioned validator framework. The company positions this approach as advantageous, providing financial institutions with clear governance protocols for leveraging public blockchain infrastructure in treasury management, trading activities, and private payment systems.
Network Participants
Major banking institutions with Arc access include BNY, HSBC, Societe Generale, and State Street. Within the decentralized finance ecosystem, Aave and Morpho facilitate lending operations, while Uniswap, Aero, and FOMO support trading functionality.
Leading cryptocurrency exchanges such as Binance, Kraken, Bybit, and OKX provide access points to the network, with Coinbase integration planned. The chain also features tokenized assets including BlackRock’s BUIDL fund and Circle’s USYC token as collateral options.
The platform accommodates more than 20 fiat-denominated stablecoins, featuring USDC, EURC, JPYC, KRW1, and TRYB. Integration with over 20 additional blockchain networks is enabled through Circle’s Cross-Chain Transfer Protocol (CCTP) and Gateway infrastructure.
Based on Dune analytics data cited by Circle, USDC represents 98.8% of all agent-driven transaction volume occurring on the network.
Token Genesis Event
This week, Circle executed the genesis mint of 10 billion ARC tokens. The company highlighted this achievement as making it the first publicly traded corporation to mint a native token for a newly launched Layer 1 blockchain.
Despite this development, Circle emphasized that the token mint “is not a commitment to publicly launch ARC.” The minting process is characterized as a technical milestone toward a possible transition from Proof of Authority to Proof of Stake consensus mechanisms planned for 2027.
Earlier, Circle had secured $222 million through an Arc token presale, with the project valued at $3 billion.
The Arc public testnet debuted in October 2025, featuring BlackRock and Visa among initial participants. During its testing phase, the network successfully processed over 700 million transactions within approximately one year.
Built-in features include agent wallets, configurable spending limits, and nanopayment capabilities. The platform also incorporates optional post-quantum signature support, with comprehensive quantum-resistant protections under ongoing development.
Prior to Wednesday’s public launch, more than 100 companies engaged with Arc through its private mainnet phase.
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