In 2025, cryptocurrency network gambling settled with digital assets like USDT and Bitcoin rapidly expanded, becoming one of the fastest-growing gray industries in the global underground economy. This year, the overall market size is close to $81 billion, with a clear trend of cross-regional spread. Essentially, it’s still online gambling, but since it doesn’t rely on the banking system, allows for fast cross-border transfers, and is difficult to regulate, a large number of underground casinos, scam groups, and money laundering networks have turned to cryptocurrency.