Core Viewpoint - The recent collapse of the CS2 virtual skin trading market has resulted in a loss of approximately $2 billion in a single day, affecting many players who treated these skins as investments [3][4][5]. Group 1: Market Dynamics - Valve Corporation (V社), the developer of CS2, announced a game update allowing lower-tier skins to be combined into high-tier skins, drastically reducing the value of previously rare items [5][7][9]. - The price of top-tier skins, such as knives and gloves, has plummeted, with some players reporting losses of up to 600,000 yuan [9][11]. - The skin trading market, which once had a peak valuation of over $6 billion, has seen a significant shift in user demographics from gamers to speculators [25][35]. Group 2: Economic System Design - Valve's economic system for CS skins has been described as more complex than that of many small countries, with a focus on creating a vibrant trading environment [16][22]. - The introduction of a trading platform by Valve allowed for a thriving secondary market, leading to inflation and deflation within the skin economy [16][26]. - The lack of regulation in the skin market has led to repeated cycles of speculation and crashes, similar to historical financial bubbles [27][35]. Group 3: Community Reactions - Many players express frustration towards Valve's new policies, viewing them as detrimental to the skin trading community while others see it as a positive change for regular players [11][15]. - The community has witnessed significant emotional responses, with some players losing substantial amounts of money and others feeling vindicated by the collapse of speculators [11][15][30]. - The recent events have sparked discussions about the sustainability and ethics of virtual item trading as a form of investment [27][35].