What were the standout winners and laggards across December, the fourth quarter, and the full year 2025? Analyzing market performance data from these key periods reveals significant divergence among different asset classes. Some cryptocurrencies surged to capture investor attention, while others faced headwinds and delivered disappointing returns. Understanding which digital assets led and which underperformed during these timeframes offers valuable perspective on market dynamics, trader sentiment, and broader shifts in the crypto landscape. Whether you're reviewing your portfolio performance or seeking insights into market trends, examining the best and worst performers helps contextualize where capital flowed and which narratives dominated trading activity during this crucial window.