What virtual assets does Thalex accept as collateral

As set out here, Thalex accepts USDt (Tether), USDC (USD Coin), BTC (Bitcoin) and ETH (Ethereum) as eligible collateral assets. These virtual assets are part of your universal USD-denominated margin basket, which can be used for all contract types on Thalex. This means that you can use any combination of eligible collateral assets for any contract. For example, you can use BTC and USDC to collateralize an ETH-PERPETUAL position.