# Arc testnet RPC URL (chain id 5042002). # Get yours: `arc-canteen rpc-url --export` (Canteen CLI) or any public Arc RPC. RPC=https://... # Deployer private key for `forge script ... --broadcast`. # Fund the address from the Arc testnet faucet first. DEPLOYER_PRIVATE_KEY=0x... # After deploy, paste the printed registry address here so the Python example # can read it. MERKLE_ANCHOR_ADDRESS=0x...