AURO, USDT swap and gas fees

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Quick answer: AURO is being retired. The in-game swap sells AURO for USDT at a fixed rate. It does not buy AURO with USDT. You pay network fees for deposits in ETH from your own wallet, and a deposit address never changes.

What happened to AURO

You can pay for Store items priced in AURO from your available (unlocked) AURO. If the game ever shows “AURO payments have ended. Your AURO was converted to USDT in your wallet.”, AURO cannot pay for items any more: pay with Gems or sell the AURO for USDT.
AURO withdrawals are closed. The game says: “AURO withdrawals are closed. Sell your AURO for USDT, then withdraw USDT.” See Withdrawals.
AURO deposits are closed too. See Deposits.
The AURO price is fixed: 1 AURO = 0.00032 USDT. So 3,125 AURO = 1 USDT. It does not move with a market, so there is no changing price to follow. The swap window labels it Price: Fixed rate.

Sell AURO for USDT

Open Wallet and tap Swap (Open AURO and USDT swap).
If you see a Wallet switch, pick Funding or Rewards. See Which balance a swap uses.
Enter Amount to swap, or tap MAX. The window shows You pay, You receive, Fee and Minimum received before you confirm.
Tap Swap. Swap filled. means it is done. Past swaps are under the History tab.

Each quote has a countdown (Expires in … s). If you see “That quote expired. Confirm the new quote to continue.”, tap Confirm new quote.
Minimum per swap: AURO worth 1 USDT, which is 3,125 AURO. Maximum per swap: AURO worth 5,000 USDT, which is 15,625,000 AURO. The same limits apply to Funding and Rewards. Outside them the window tells you: “Enter at least … “ or “Enter no more than …”.
To get USDT out of the game, see Withdrawals.

Which balance a swap uses

Your Funding balance (AURO you deposited) and your Rewards balance (AURO you earned) are separate. A swap in one wallet never touches the other. They are not added together and they are not spent in a fixed order. To sell both, swap once in Funding and once in Rewards.

In the Wallet window, the Assets tab lists the assets in your account, one row each. Ruby and wUSDT are not tokens the game lists, so they will not appear there.

Why can’t I swap USDT to AURO?

The AURO swap works in one direction only now: sell AURO, receive USDT. If you try the other way, the game says “This pair only swaps one way right now. Switch direction and try again.” There is no buy.

If the sell direction is refused, the message tells you why:

Message	What to do
Trading on this pair is paused to protect the price. Wait for it to reopen.	Wait for it to reopen.
This swap is paused right now. Try again later.	Wait and try again.
The price is too unstable to swap right now. Wait a moment and try again.	Try again in a moment.
The price is still updating. Wait a moment and try again.	Try again in a moment.
This swap direction has reached its limit. You can still swap the other way.	Try again later.
That amount is outside the allowed range.	Use the amount the window asks for.
You don’t have enough available balance for this swap.	Check the balance of the wallet you picked.
That swap is still processing.	Wait. Do not send it twice.

A refused swap does not go through, so it takes nothing from your balance. Your balance only changes after Swap filled.

Why are some rewards still paid in AURO?

New chest and quest rewards now pay USDT. AURO still reaches you in a few ways:

AURO Reward Chests you already own still open and pay AURO.
Battle loot takes USDT first, then AURO, from the castle’s exposed rewards. See USDT battle loot.
AURO you already hold stays AURO until you sell it.

Check the reward or chest itself. It names its currency.

The AURO contract address

The AURO token lives on Robinhood Chain. Its contract address is 0x79023bd15714c41c90c7b008e9a6467293a4951f. To see AURO in your wallet app, switch to Robinhood Chain and add a custom token with this address. Check the address character by character. Only use another address if an official announcement gives it. Never use one sent to you in a private message. AURO deposits and withdrawals are closed, so do not send AURO to your deposit address.

What can I still use AURO for?

Sell it for USDT. See Sell AURO for USDT.
Pay for items priced in AURO. The AURO Mall tab in My Bag lists them. You pay from your available AURO: AURO you deposited and AURO that has finished unlocking. AURO still in Pending Rewards cannot pay.
If the game shows “AURO payments have ended. Your AURO was converted to USDT in your wallet.”, AURO cannot pay for that item. Pay with Gems if the item has a Gem price, or sell the AURO for USDT.

AURO does not pay for everything. Gem packs, bundles and monthly cards use your USDT balance, crypto or Telegram Stars. See Store and packs. AURO cannot be deposited or withdrawn.

Is there a lock on AURO?

AURO you deposited is available at once. AURO you earn waits 96 hours in Pending Rewards before it moves to Available. AURO withdrawals are closed, so sell AURO for USDT to take value out. See When loot unlocks.

Where can I see my ETH, and can I convert it to USDT?

Open Wallet. The Assets tab lists each asset you hold, one row each, including ETH you deposited. You cannot swap ETH for USDT: the swap sells AURO for USDT only. You can withdraw ETH to your own wallet. See Withdrawals.

Network fees and ETH on Robinhood Chain

Robinhood Chain (Chain ID 4663) uses ETH for network fees. You pay them from your own wallet when you send a deposit. The game does not pay them for you.
So hold a little ETH on that network in your own wallet. You can use any wallet or exchange that supports Robinhood Chain.
Depositing USDT on BNB Smart Chain or Arbitrum One needs that network’s own fee token in your own wallet.
ETH itself is a deposit option on Robinhood Chain and Arbitrum One. See the minimums in Deposits.
The swap window is for AURO and USDT only. You can withdraw ETH to your own wallet. See Withdrawals.

Your deposit address and “sweeps”

The game creates your EVM deposit address once and reuses it. It does not change from one deposit to the next.
A different address appears for a different network type. For example, a Solana address is not your EVM address.
After a deposit is credited, the game moves the funds from your deposit address to its own main wallet. This is called a sweep. In a block explorer you will see your deposit leave your deposit address. That is normal and does not reduce your game balance.
A deposit below the minimum is not credited. Details are in Deposits.

If something goes wrong

The swap button does not work, or shows an error. Read the message against the table above. If it is a pause or price message, wait and try again later.

The balance after a swap looks wrong. Open the History tab in the swap window and check the Filled or Reversed status. Then reopen Wallet.

You cannot find your AURO or USDT. Check both Funding and Rewards. If something is still missing, open a ticket: Setting → More → Support, see Contact support.

Send support the swap time, the wallet (Funding or Rewards), the amount and a screenshot of the message. Never send your private key or seed phrase.