Network details
Arc Testnet
| Name | Value |
|---|---|
| Network | Arc Testnet |
| RPC endpoint | https://rpc.testnet.arc.network Alternatives: • https://rpc.quicknode.testnet.arc.network • https://rpc.blockdaemon.testnet.arc.network • https://rpc.drpc.testnet.arc.network |
| Websocket | wss://rpc.testnet.arc.network |
| Chain ID | 5042002 |
| Currency | USDC |
| Explorer | https://testnet.arcscan.app |
| Faucet | https://faucet.circle.com |
Wallet setup
Add Arc Testnet
- Open MetaMask → Add network → Add a network manually.
- Fill in:
| Field | Value |
|---|---|
| Network name | Arc Testnet |
| New RPC URL | https://rpc.testnet.arc.network |
| Chain ID | 5042002 |
| Currency symbol | USDC |
| Explorer URL | https://testnet.arcscan.app |
- Save, then switch to Arc.
If your wallet supports custom gas tokens, ensure display/decimals for
USDC (6 decimals) and clearly label fees as USDC.
Gas and fees
| Key | Value |
|---|---|
| Unit | USDC (6 decimals) |
| Pricing | EIP-1559-like base fee with exponentially weighted moving average smoothing |
| Best practice | Surface fees in USDC, fetch base fee dynamically, set modest priority tip |
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