Circle Launches Arc Mainnet With BlackRock, DTCC and Visa as Validators

Circle launched the Arc Layer 1 mainnet on Wednesday with more than 100 institutional and ecosystem partners participating on day one. Founding validators include major financial firms such as BlackRock, DTCC, Visa and Mastercard, and Circle minted 10 billion ARC tokens while saying the mint does not commit to a public token launch.

By AI NewsroomPublished about 1 hour agoUpdated about 1 hour ago0 views

Why It Matters

The involvement of global financial firms as permissioned validators and the native use of USDC—already a large circulating stablecoin—signal an effort to bring traditional treasury, trading and payments activity onto a public blockchain with institutional control points. Circle’s token mint and roadmap toward a possible proof-of-stake transition indicate plans for further development and market integration.

Key Facts

Mainnet launch: Arc mainnet went live on Wednesday with over 100 institutional and ecosystem partners on day one
Founding validators: BlackRock, DTCC, ICE, Mastercard, Visa, Standard Chartered, SBI Group, MoneyGram, Sumitomo, Worldpay, Galaxy
ARC tokens minted: 10 billion ARC tokens created in a genesis mint
Company statement on mint: Circle said the genesis mint is not a commitment to publicly launch ARC
Presale funding: $222 million raised in an Arc token presale at a $3 billion valuation

Circle announced the public launch of Arc, a Layer 1 blockchain designed for payments, trading and what it calls "agentic economic activity," switching the network live on Wednesday. More than 100 institutional and ecosystem partners were active at launch, and Circle has positioned a permissioned validator set and a "defined governance perimeter" as features that let banks and other institutions use a public chain while maintaining control over who validates transactions.

A roster of major financial firms forms Arc’s founding validator cohort. Named participants include BlackRock, the Depository Trust & Clearing Corporation (DTCC), ICE, Mastercard, Visa, Standard Chartered and SBI Group, among others. Circle’s chief executive described the rollout as a milestone for the company in a press release, framing the launch as a significant step following the growth of the USDC stablecoin.

This week Circle completed a genesis mint of the ARC token, creating 10 billion units. The company said the mint was a technical action and not a commitment to make ARC publicly tradeable, noting that the network could move from its initial proof-of-authority model toward proof-of-stake as early as 2027. Circle had previously sold $222 million in a token presale that valued Arc at $3 billion.

Arc integrates Circle’s USDC as the chain’s gas token; Circle reports USDC circulation at roughly $74 billion and says USDC accounts for 98.8% of agent-driven transaction volume (citing Dune). The network includes features aimed at institutional use cases—agent wallets, spending limits and nanopayments—and supports optional post-quantum signatures while broader protections remain in development. Circle also highlighted an active ecosystem: banks such as BNY, HSBC, Societe Generale and State Street have access, DeFi protocols including Aave and Morpho will anchor lending, trading venues like Uniswap, Aero and fomo are present, and centralized exchanges including Binance, Kraken, Bybit and OKX already provide on-ramps with Coinbase expected to follow. Circle and partners like BlackRock are also supplying tokenized collateral through offerings such as BUIDL and USYC.