What is actually being built on Arc
Arc mainnet has been live since 16 September 2026. Every project here is checked against a source and dated — so you can see what is running on mainnet, what is still on testnet, and what has only been announced.
Payments & Payouts28 projects
Banks & Enterprises29 projects
Stablecoins & Tokenized Assets11 projects
Exchanges & Trading33 projects
DeFi & Credit6 projects
Wallets & Custody23 projects
Bridges & Onramps10 projects
Developer Infrastructure27 projects
Compliance & Analytics3 projects
Launchpads, NFT & Meme9 projectsDirectory
How we rank| # | Project | What it builds on Arc | Role | Status | Links | Checked |
|---|---|---|---|---|---|---|
| 31 |  BrexPayments & Payouts · Business accounts | Listed by Circle for Arc; corporate spend and treasury exposure to USDC settlement. | Integrates | Announced | 2026-09-02 | |
| 32 |  BridgeDeveloper Infrastructure · Token tooling | Listed by Circle for Arc; the Stripe-owned stablecoin platform for developer money movement. | Serves | Live on Arc | 2026-09-28 | |
| 33 |  BronWallets & Custody · Consumer wallets | Listed by Circle for Arc; non-custodial wallet with recovery for everyday users. | Serves | Live on Arc | 2026-09-28 | |
| 34 |  BTG PactualBanks & Enterprises · Banks | Listed by Circle as a bank partner for Arc; Brazilian corporate use is not yet detailed. | Integrates | Live on Arc | 2026-09-28 | |
| 35 | BBullcheeseLaunchpads, NFT & Meme · Launchpads | Memecoin launch venue for Arc: single-sided launches, no bonding curve, liquidity locked rather than burned. | Deploys | Live on Arc | 2026-09-19 | |
| 36 |  BybitExchanges & Trading · Exchanges | Listed by Circle for Arc; exchange support for Arc deposits and withdrawals. | Integrates | Live on Arc | 2026-09-28 | |
| 37 |  Cactus CustodyWallets & Custody · Custodians | Listed by Circle for Arc; regulated custody for institutional digital-asset holdings. | Serves | Live on Arc | 2026-09-28 | |
| 38 |  CareemPayments & Payouts · Business accounts | Listed by Circle for Arc; a super app whose wallet could hold and settle USDC. | Integrates | Live on Arc | 2026-09-28 | |
| 39 | CCatBatHatFatRatLaunchpads, NFT & Meme · NFT collections | An Arc-branded creature/PFP project with a live waitlist and PFP maker; no Arc contract confirmed. | Deploys | Announced | 2026-09-02 | |
| 40 |  Catena LabsDeveloper Infrastructure · AI agents & automation | Listed by Circle for Arc; banking and governance rails for AI agents transacting in USDC. | Serves | Live on Arc | 2026-09-28 | |
| 41 |  CentrifugeStablecoins & Tokenized Assets · RWA platforms | Listed by Circle for Arc; a platform for bringing real-world credit assets on chain. | Issues | Live on Arc | 2026-09-28 | |
| 42 |  CFiExchanges & Trading · FX | Listed by Circle for Arc; multi-asset brokerage exposure to stablecoin funding. | Integrates | Live on Arc | 2026-09-28 | |
| 43 |  ChainalysisCompliance & Analytics · Transaction monitoring | Listed by Circle for Arc; transaction monitoring so banks can screen Arc USDC payments. | Serves | Live on Arc | 2026-09-28 | |
| 44 |  ChainlinkDeveloper Infrastructure · Oracles | Day-one integration named by Circle; price and FX feeds for Arc apps. | Serves | Live on Arc | 2026-09-28 | |
| 45 |  Chronicle LabsDeveloper Infrastructure · Oracles | Listed by Circle for Arc; verifiable oracle feeds for on-chain settlement. | Serves | Live on Arc | 2026-09-28 | |
Questions
Which Arc does this site cover?
Built on Arc covers Circle's Arc, the stablecoin-native Layer-1 blockchain (mainnet chain ID 5042; testnet 5042002) that launched mainnet on 16 September 2026. It does not cover the ARC token, Aave Arc (a 2022 permissioned lending pool), Arc Raiders, Azure Arc or the Arc web browser.
Is Arc mainnet live?
Yes. Circle's Arc mainnet launched on 16 September 2026 (chain ID 5042). Built on Arc tracks which projects are observed on mainnet, which are only on testnet, and which have only been announced.
How is a project's status on Arc decided?
Status reflects what we observed on the date shown, not what a project announced. Every entry carries a dated source you can open and check yourself.
Is Built on Arc affiliated with Circle?
No. Built on Arc is an independent directory of projects building on Circle's Arc blockchain, not affiliated with, endorsed by or sponsored by Circle Internet Group.
