Arc in numbers

Arc is the layer-1 blockchain built by Circle. Generated 26 Oct 2026, 09:23 UTC; each figure gives its source and date.

Facts

• Circle launched the public Arc mainnet on 16 September 2026, after a private mainnet phase. (source, 16 Sep 2026)
• USDC is Arc's native gas token. The native gas balance uses 18 decimals; the USDC ERC-20 interface at 0x3600…0000 uses 6 decimals. (source, 16 Sep 2026)
• Arc is EVM-compatible and targets Ethereum's Osaka hard fork as its baseline, including EIP-7702. (source, 16 Sep 2026)
• Along with Circle, Arc's founding validators include BlackRock, DTCC, Galaxy, ICE, Mastercard, MoneyGram, SBI Group, Standard Chartered, Sumitomo Corporation, Visa and Worldpay, in a phased rollout. (source, 16 Sep 2026)
• Arc's consensus uses Malachite, a Tendermint BFT implementation, with a permissioned proof-of-authority validator set. (source, 16 Sep 2026)
• Circle said the network is exploring a future transition from proof of authority toward proof of stake in 2027. (source, 16 Sep 2026)
• Circle completed the genesis mint of the ARC token, its full initial supply of 10 billion; it said this is not a commitment to publicly launch ARC, and fees remain payable in USDC. (source, 16 Sep 2026)
• Arc held 969,092,078 USDC on 26 Oct 2026, 09:23 UTC. (Arc RPC)
• TVL on Arc was $629,812,499 on 26 Oct 2026. (DefiLlama)
• About 471,000 transactions in the last 24 h, estimated from 240 sampled blocks. (Arc RPC)
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  Blocks 27,773,273 to 27,943,011, evenly spaced; the mean count per sampled block times the blocks in 24 h, rounded to the nearest 1,000.
• Apps tracked by Registrai received $18,400,530 in USDC payments in the last 24 h. (Arc Ecosystem Index)

Network

Stablecoins on Arc

Activity, last 24 h

Data until 26 Oct 2026, 09:00 UTC · Source: Arc Ecosystem Index (Registrai)

Ecosystem

261 projects in the Arc ecosystem directory: 112 live on mainnet, 20 deployed, 129 announced.

• Payment apps on Arc: 42
• DEXs on Arc: 25
• Launchpads on Arc: 24
• Wallets that support Arc: 23
• Infrastructure for Arc: 20
• Exchanges that support Arc: 19

Apps in the Arc indices: ABI 19 · AII 23 · AEI 42. Closes: ABI 917.13 · AII 940.74 · AEI 959.96 (26 Oct 2026, 09:00 UTC).

Timeline

• 28 Oct 2025: Arc public testnet launched (source)
• 5 Aug 2026: Founding validator cohort announced (source)
• 16 Sep 2026: Arc mainnet launched (source)

Questions

• Most-used apps on Arc, last 7 days
• Apps that accept USDC on Arc
• New on Arc, last 30 days
• How to get USDC onto Arc
• Arc vs Ethereum vs Solana for stablecoin payments

History

JSON: /api/v1/arc · /api/v1/arc/daily. Registrai figures CC BY 4.0; DefiLlama figures as labelled.