Tether's USDt stablecoin has reached a market cap of $150 billion, marking a significant leap amid rising stablecoin adoption. This makes Tether dominant in the global stablecoin market—holding 61%. The company's expansion into the US amidst pro-crypto legislative trends shows Tether’s strategic push for more influence. However, proposed US regulations, like the STABLE Act, face criticism for potential inefficacy. Tether’s next moves in the US could reshape the crypto landscape.