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 |
|---|---|---|---|---|---|---|
| 151 |  TenderlyDeveloper Infrastructure · Indexing & explorers | Listed by Circle for Arc; simulation and debugging before contracts move real balances. | Serves | Live on Arc | 2026-09-28 | |
| 152 | TThe Crypto AppDeveloper Infrastructure · Indexing & explorers | Consumer market-tracking app; Arc coverage stated, not yet observed. | Serves | Announced | 2026-09-02 | |
| 153 |  thirdwebDeveloper Infrastructure · Token tooling | Listed by Circle for Arc; contract and agent tooling for teams shipping on Arc. | Serves | Live on Arc | 2026-09-28 | |
| 154 | TThunesPayments & Payouts · Payroll & payouts | Named in Circle's Arc release; cross-border payouts network reaching bank and wallet endpoints. | Integrates | Live on Arc | 2026-09-28 | |
| 155 | TTowerExchangeExchanges & Trading · Aggregators | A stablecoin DEX aggregator for Arc named in an official Arc Builder Spotlight. | Deploys | Announced | 2026-09-02 | |
| 156 |  TransakBridges & Onramps · Fiat onramps | Listed by Circle for Arc; a fiat onramp developers embed to fund Arc wallets. | Integrates | Live on Arc | 2026-09-28 | |
| 157 |  TRMCompliance & Analytics · Blockchain intelligence | Listed by Circle for Arc; blockchain intelligence for firms monitoring Arc activity. | Serves | Live on Arc | 2026-09-28 | |
| 158 | TTrustSwap LaunchpadLaunchpads, NFT & Meme · Launchpads | Token launch venue; Arc deployment stated, not yet observed. | Deploys | Announced | 2026-09-02 | |
| 159 |  TurnkeyWallets & Custody · Key management | Listed by Circle for Arc; key management infrastructure for teams holding Arc balances. | Serves | Live on Arc | 2026-09-28 | |
| 160 | uuarc.meLaunchpads, NFT & Meme · Launchpads | A claimed Arc token launchpad promising USDC-settled trading — no team, docs or contract yet observed. | Deploys | Announced | 2026-09-02 | |
| 161 | UUniswapExchanges & Trading · DEXs | Named in Circle's Arc release; AMM protocol serving as an on-chain FX venue on Arc. | Deploys | Live on Arc | 2026-09-28 | |
| 162 | UUpbitExchanges & Trading · Exchanges | Named in Circle's Arc release; Korean exchange support for Arc deposits and withdrawals. | Integrates | Live on Arc | 2026-09-28 | |
| 163 |  UtilaWallets & Custody · Embedded wallets | Listed by Circle for Arc; institutional wallet operations and policy controls. | Serves | Live on Arc | 2026-09-28 | |
| 164 | VVelodromeExchanges & Trading · DEXs | Named in Circle's Arc testnet release; liquidity venue exploring Arc deployment. | Deploys | Announced | 2026-09-02 | |
| 165 |  VisaBanks & Enterprises · Card networksFounding validator | Founding validator; named by Circle as a settlement partner for card flows on 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.
