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 |
|---|---|---|---|---|---|---|
| 16 |  AveniaPayments & Payouts · Remittance | Listed by Circle for Arc; Brazilian real to USDC corridors through a payments API. | Integrates | Live on Arc | 2026-09-28 | |
| 17 |  AWSDeveloper Infrastructure · RPC | Listed by Circle for Arc; cloud infrastructure underpinning Arc node and app deployments. | Serves | Announced | 2026-09-02 | |
| 18 |  AxelarBridges & Onramps · Bridges | Listed by Circle for Arc; general message passing and asset transfers into Arc. | Serves | Announced | 2026-09-02 | |
| 19 |  B2C2Exchanges & Trading · Market makers | Listed by Circle for Arc; institutional liquidity in USDC pairs. | Integrates | Live on Arc | 2026-09-28 | |
| 20 |  Bank FrickBanks & Enterprises · Banks | Listed by Circle as a bank partner for Arc; Liechtenstein institutional use is not yet detailed. | Integrates | Live on Arc | 2026-09-28 | |
| 21 |  BDACS (KRW1)Stablecoins & Tokenized Assets · Stablecoin issuers | Listed by Circle for Arc; Korean won stablecoin KRW1 issued from a regulated custodian. | Issues | Live on Arc | 2026-09-28 | |
| 22 | BBinance WalletWallets & Custody · Consumer wallets | Named in Circle's Arc release; wallet support for holding and moving USDC on Arc. | Serves | Live on Arc | 2026-09-28 | |
| 23 |  BitGoWallets & Custody · Custodians | Listed by Circle for Arc; qualified custody and prime services for institutional USDC. | Serves | Live on Arc | 2026-09-28 | |
| 24 |  Bitso / JunoStablecoins & Tokenized Assets · Stablecoin issuers | Listed by Circle for Arc; Mexican peso stablecoin MXNB issued through Bitso's Juno arm. | Issues | Live on Arc | 2026-09-28 | |
| 25 |  BitvavoExchanges & Trading · Exchanges | Listed by Circle for Arc; European exchange support for USDC on Arc. | Integrates | Live on Arc | 2026-09-28 | |
| 26 |  BlackRockBanks & Enterprises · Asset managersFounding validator | Founding validator; named by Circle for tokenized fund work on Arc, in development rather than live. | Integrates | Live on Arc | 2026-09-28 | |
| 27 |  BlockdaemonDeveloper Infrastructure · RPC | Listed by Circle for Arc; node and staking infrastructure for institutions. | Serves | Live on Arc | 2026-09-28 | |
| 28 |  BlockradarWallets & Custody · Embedded wallets | Non-custodial wallet infrastructure for fintechs; named in Circle's own Arc account-abstraction docs. | Serves | Live on Arc | 2026-09-28 | |
| 29 |  BlockscoutDeveloper Infrastructure · Indexing & explorers | Listed by Circle for Arc; an open-source block explorer for Arc transactions. | Serves | Live on Arc | 2026-09-28 | |
| 30 |  BNYBanks & Enterprises · Banks | Named by Circle as an institutional integration in development; custody and cash reporting for Arc. | Integrates | 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.
