Wu Blockchain reports that the on-chain trading platform Nado has announced that tokenized US stock ETF assets SPYx and QQQx from the xStocks system are now available as collateral on the platform. SPYx and QQQx correspond to the S&P 500 ETF SPY and the Nasdaq 100 ETF QQQ, respectively. Nado stated that users can maintain exposure to US stock indices while using them as margin to trade perpetual contracts related to cryptocurrencies, commodities, stocks, and forex. Additionally, SPYx and QQQx can be used as collateral to borrow USDT0. https://(wublock123.com)/news/nado-adds-spyx-qqqx-as-collateral-for-onchain-perpetuals-62452