Bitcoin (BTC) has rebounded to $86k after a Friday crash, with BTC ETFs seeing record volumes and net inflows, indicating strong institutional interest despite BTC being two weeks below its 50-week moving average. Keep an eye on Solana (SOL) as it proposes to double its deflation rate, potentially impacting its price. Grayscale DOGE and XRP ETFs are set to launch today, offering new avenues for exposure to these altcoins.