Grayscale hints at the potential listing of Dogecoin (DOGE) and other cryptos, leading to increased speculation and whale activities.The netflow of total large holders of DOGE has increased by 1,545% in just a day, indicating aggressive accumulation.Market analysts anticipate a bullish extension for DOGE due to growing optimism surrounding a potential Grayscale Investments listing.Some analysts predict a price surge for DOGE to reach $3 by the end of the current cycle.