Pick a testnet
Open the network switcher in the top bar and choose Robinhood Testnet or Arc Testnet. Entries tagged testnet are test networks; an entry tagged soon is a mainnet the contracts are not deployed on yet. If your wallet is on a different network the switcher offers to switch it.
Windrose currencies on the testnets carry the older
ac prefix (acINR, “Arc Indian Rupee”) because token names are immutable and those deployments predate the rename. They behave exactly like wINR on Robinhood Chain.
Test dollars on Robinhood testnet
The deployment there includes a mock USDG that anyone can mint. The Get test USDG button appears on the trade panel when your balance is short, on the USD currency page, and on the create form’s balance line. Each press mints 1,000 test USDG to your wallet. Use it to buy on curves, mint Windrose currencies, dev-buy at launch and back vaults. The button never appears on Arc, where the dollar is real testnet USDC from the faucet, or on any mainnet.Gas on Arc testnet
Arc’s gas token is USDC. Your wallet shows the native balance with 18 decimals; the ERC-20 the app uses has 6 decimals; they are the same money. Arc enforces a 20 gwei minimum base fee, which the app sets automatically. The Circle faucet gives 20 USDC per claim.Deep links
Every link inside the app carries?chain=<id>. A token page shared from Robinhood testnet looks like https://windrose.market/t/0x...?chain=46630 and opens on that testnet for whoever clicks it. The selected network is remembered in the browser until you change it.
Where testnets are listed
A production build of the app hides testnets from the switcher so the public site offers only real networks. Operators can list them again by building withNEXT_PUBLIC_SHOW_TESTNETS=1. A build whose default network is a testnet always lists them. See Web app.
Testnet tokens, currencies, shares and fees have no value and can be wiped by a redeploy. The protocol has not been audited; that is true on testnets and on Robinhood Chain alike.