According to Crypto Rover, the SEC has approved the Nasdaq Crypto US Settlement Price Index, which includes SOL, ADA, XLM, and XRP, signaling increased institutional recognition of these altcoins (source: Crypto Rover on Twitter, June 20, 2025). Additionally, the anticipated signing of the Genius Bill and the introduction of staking ETFs are poised to provide new trading opportunities and liquidity. These regulatory advancements are expected to accelerate capital inflows into the altcoin market, potentially intensifying the upcoming altcoin season and offering traders fresh momentum plays.