In late October 2025, as much as US$2 billion vanished from a digital marketplace. This wasn’t a hack or a bubble bursting. It happened because one company, Valve, changed the rules for its video game Counter-Strike 2, a popular first-person shooter with a global player base of nearly 30 million monthly users.

For years, its players have bought, sold and traded digital cosmetic items, known as “skins.” Some rare items, particularly knives and gloves, commanded high prices in real-world money – up to $1.5 million – leading some gamers to treat the market like an investment portfolio. As a result, many investment-style analytics websites charge monthly fees for financial insight, trends and transaction data from this digital marketplace.

In one fell swoop, Valve unilaterally changed the game. It expanded the “trade up contract,” allowing players to exchange – or “trade up” – a number of their common assets into knives or gloves.

By flipping this switch, Valve instantly upended digital scarcity. The market was flooded with new supply, and the value of existing high-end items collapsed. Prices plummeted, initially erasing half the market’s total value, which exceeded $6 billion before the recent crash. Although a partial recovery brought the net loss to roughly 25%, significant volatility continues, leaving investors unsure whether the........

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