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What You Need

PrometheX staging runs on Arbitrum Sepolia testnet. To start trading, you need two tokens:
TokenWhat It’s ForHow to Get
Sepolia ETHGas fees for depositingPrometheX official faucet
tUSDCThe trading token on PrometheXPrometheX official faucet
All tokens on testnet have no real value — they’re free practice money.

Prerequisites: Set Up MetaMask

1

Install MetaMask

If you don’t have it yet, install MetaMask from metamask.io. Available as a browser extension for Chrome, Firefox, Brave, and Edge.
2

Add Arbitrum Sepolia network

Open MetaMask and add the testnet. You can either:
  • Visit chainlist.org and click Add to MetaMask
  • Or add manually with these settings:
PropertyValue
Network NameArbitrum Sepolia
RPC URLhttps://sepolia-rollup.arbitrum.io/rpc
Chain ID421614
Currency SymbolETH
Block Explorerhttps://sepolia.arbiscan.io
3

Connect MetaMask to PrometheX

Go to app.promethex.market, click Sign InConnect Wallet → select MetaMask.

Step 1: Claim Testnet ETH and tUSDC

Use the PrometheX official faucet to get both tokens in one step. Connect your wallet, sign a message, and claim. Open Faucet
1

Open the faucet page

Visit the PrometheX Faucet and click Connect MetaMask. Approve the connection in MetaMask.
2

Sign & claim tokens

Click Sign & Claim. MetaMask will ask you to sign a message to verify wallet ownership — this is not a transaction and costs no gas.
3

Receive tokens

The faucet sends both tokens to your wallet automatically:
  • 0.01 ETH — enough for gas fees
  • 10,000 tUSDC — enough for many test trades
You’ll see the transaction links on the page once complete.
4

Add tUSDC to MetaMask

To see your tUSDC balance in MetaMask:
  1. Click Import Tokens at the bottom of MetaMask
  2. Paste address: 0x52cb113e383c654fB78Ff56615ce3719193C6408
  3. Symbol: USDC, Decimals: 6
  4. Click Add
The faucet has a 24-hour cooldown per wallet address. After 24 hours, you can claim again.

Step 2: Deposit tUSDC into PrometheX

Now that you have tUSDC in MetaMask, deposit it into PrometheX to start trading.
1

Open your wallet on PrometheX

Go to app.promethex.market. Make sure you’re signed in with your MetaMask wallet. Click your profile iconWallet.
2

Click Deposit

Click the Deposit button and enter the amount of tUSDC you want to deposit.
3

Approve and confirm

MetaMask will prompt you twice:
  1. Approve — Allows the PrometheX contract to spend your tUSDC
  2. Deposit — Transfers tUSDC from your wallet into the platform
Confirm both transactions in MetaMask.
If the transaction fails, click the pencil icon next to the gas fee in MetaMask and double the gas limit. Arbitrum Sepolia sometimes underestimates gas for token transfers.PrometheX trading interface
4

Start trading

Once confirmed, your balance updates on PrometheX. Head to the Markets page to place your first trade!
After depositing, all trades on PrometheX are gasless — the platform sponsors gas fees via account abstraction. You only need ETH for the initial deposit step.

Quick Summary

1. Set up MetaMask on Arbitrum Sepolia
2. Open faucet → connect wallet → sign → receive 0.01 ETH + 10,000 tUSDC
3. Deposit tUSDC into PrometheX → ready to trade (gasless)

Advanced: Claim tUSDC via Arbiscan

If you prefer to interact with the contract directly, you can call the tUSDC faucet() function on Arbiscan. tUSDC Contract: 0x52cb113e383c654fB78Ff56615ce3719193C6408
1

Open the Write Contract page

2

Connect MetaMask

Click Connect to Web3 and authorize MetaMask.
3

Call faucet()

Find the faucet function. tUSDC uses 6 decimals:
AmountValue to Enter
1,000 tUSDC1000000000
10,000 tUSDC10000000000
Enter the value, click Write, and confirm in MetaMask. You can call this as many times as you want.

Mainnet: Getting Real USDC

PrometheX mainnet on Arbitrum One is coming soon. The instructions below are for when real trading goes live.
When PrometheX launches on mainnet, you’ll need real USDC on the Arbitrum network. Common ways to get it:

Option 1: Buy on an Exchange

1

Buy USDC

Use an exchange like Coinbase, Binance, or Kraken to buy USDC.
2

Withdraw to Arbitrum

When withdrawing, select Arbitrum One as the network. Paste your wallet address as the destination.
Always double-check that you’re withdrawing to Arbitrum One, not Ethereum mainnet.

Option 2: Bridge from Ethereum

If you already have USDC on Ethereum, bridge it via bridge.arbitrum.io. Takes about 10 minutes.

Option 3: Buy Directly on Arbitrum

Services like Ramp Network, MoonPay, and Transak let you buy USDC directly on Arbitrum with a credit card.

Troubleshooting

The faucet allows one claim per wallet address every 24 hours. Wait for the cooldown to expire.
You need to import the token manually. In MetaMask: Import Tokens → paste 0x52cb113e383c654fB78Ff56615ce3719193C6408 → Symbol: USDC → Decimals: 6.
Click the network dropdown in MetaMask and switch to Arbitrum Sepolia (Chain ID: 421614). If it’s not listed, add it manually using the network details above.
If the approve transaction is pending too long, try Speed Up in MetaMask (click the pending tx). If it fails, make sure you have enough ETH for gas.

Next Steps