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This page shows how to connect your app and wallet to the Arc blockchain.

Network details

Arc Testnet

NameValue
NetworkArc Testnet
RPC endpointhttps://rpc.testnet.arc.network
Alternatives:
  • https://rpc.quicknode.testnet.arc.network
  • https://rpc.blockdaemon.testnet.arc.network
  • https://rpc.drpc.testnet.arc.network
Websocketwss://rpc.testnet.arc.network
Chain ID5042002
CurrencyUSDC
Explorerhttps://testnet.arcscan.app
Faucethttps://faucet.circle.com

Wallet setup

Add Arc Testnet

  1. Open MetaMask → Add networkAdd a network manually.
  2. Fill in:
FieldValue
Network nameArc Testnet
New RPC URLhttps://rpc.testnet.arc.network
Chain ID5042002
Currency symbolUSDC
Explorer URLhttps://testnet.arcscan.app
  1. 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

KeyValue
UnitUSDC (6 decimals)
PricingEIP-1559-like base fee with exponentially weighted moving average smoothing
Best practiceSurface fees in USDC, fetch base fee dynamically, set modest priority tip
By using the Arc Network Testnet, you agree to the Terms of Service and Privacy Policy.