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.
Directory
How we rank| # | Project | What it builds on Arc | Role | Status | Links | Checked |
|---|---|---|---|---|---|---|
| 121 | Listed by Circle for Arc; machine-to-machine payments between connected devices. | Serves | Live on Arc | 2026-09-28 | ||
| 122 | PPayritPayments & Payouts · Remittance | Cross-border USDC wallet for Nigerian users; reported Circle grant recipient, not confirmed by Circle directly. | Integrates | Announced | 2026-09-02 | |
| 123 | Listed by Circle for Arc; merchant payment acceptance with USDC settlement. | Integrates | Live on Arc | 2026-09-28 | ||
| 124 | Listed by Circle for Arc; global business accounts and payouts in USDC. | Integrates | Live on Arc | 2026-09-28 | ||
| 125 | Listed by Circle for Arc; account abstraction infrastructure and paymasters. | Serves | Live on Arc | 2026-09-28 | ||
| 126 | Listed by Circle for Arc; embedded wallets so an app's users hold Arc USDC without seed phrases. | Serves | Live on Arc | 2026-09-28 | ||
| 127 | Listed by Circle for Arc; RPC endpoints and real-time data for Arc applications. | Serves | Live on Arc | 2026-09-28 | ||
| 128 | RRadar DEXExchanges & Trading · Aggregators | A DEX/token scanner aggregating Arc trading venues, rebranded from ArcDEXScan; contract unconfirmed. | Deploys | Announced | 2026-09-02 | |
| 129 | RRainPayments & Payouts · Cards | Named in Circle's Arc release; card issuing funded directly from stablecoin balances. | Integrates | Live on Arc | 2026-09-28 | |
| 130 | Listed by Circle for Arc; consumer wallet support across EVM chains including Arc. | Serves | Live on Arc | 2026-09-28 | ||
| 131 | Listed by Circle for Arc; corporate card and spend management with USDC settlement. | Integrates | Live on Arc | 2026-09-28 | ||
| 132 | Listed by Circle for Arc; consumer fiat onramp funding Arc USDC balances. | Integrates | Live on Arc | 2026-09-28 | ||
| 133 | Listed by Circle for Arc; modular oracle feeds for Arc DeFi and RWA apps. | Serves | Live on Arc | 2026-09-28 | ||
| 134 | Listed by Circle for Arc; retail brokerage exposure to USDC transfers. | Integrates | Live on Arc | 2026-09-28 | ||
| 135 | Listed by Circle for Arc; consumer hardware and app wallet support. | 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.