You need IDRB tokens to use this DApp.

Contract Address for IDRB token : 0x1d9F4aeb3ecF2De3a5B0f89333ce8157Cb62b4d7

Before claim you need ETH Base Sepolia for gas, you can get some ETH base sepolia from this faucet

Enter your address to claim 10,000,000 IDRB tokens