Players have to pay for chests or boxes and the keys to be able to open them in Valve’s games, and the company has reportedly sold billions of dollars’ worth of keys for Counter-Strike alone. The lawsuit said that Valve has made tens of millions of dollars in fees from the sale of virtual items on the Steam Community Market, as well. In addition to being able to sell items on Steam for funds directly credited to their Steam Wallet, players can also sell on third-party marketplaces for cash.
The problem is that calling it “DRM” sets expectations it simply cannot meet. Real DRM, you know; the kind that requires a motivated attacker to invest serious time and expertise to defeat; lives in hardware TEEs and requires commercial licensing. JavaScript DRM is not that. It’s sophisticated friction. And sophisticated friction, while valuable, is a completely different thing.
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这种重资产模式在初期投入巨大，但在价格战进入白热化的阶段，它便构成了难以复制的成本护城河。