According to EmberCN, the Solana-native USX stablecoin project by solsticefi is conducting an SLX token presale on Legiondotcc, described as the largest Solana-native stablecoin initiative. source: EmberCN on X, Dec 23, 2025. According to EmberCN, USX is a yield-bearing stablecoin where users convert USDC into USX and then deposit into a YieldVault to earn yield. source: EmberCN on X, Dec 23, 2025. According to EmberCN, USX maintains 1:1 value backing and yield sources across multiple assets, including hedged trading positions such as long BTC spot combined with short BTC to neutralize exposure. source: EmberCN on X, Dec 23, 2025.