Book Of The Fallen

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Strip away the language of contracts, order books and event trading and Bernard Marantelli has a blunt description of what is happening inside US sports prediction markets. “Kalshi is a sportsbook that’s just not allowed to have an in-house risk team,” says the founder of White Swan Data, one of the specialist firms now making markets on prediction exchanges.

The difference is all about the risk function. A sportsbook employs traders to price bets and manage its exposure. An exchange provides an API through which firms compete to quote prices and supply liquidity.

“Here’s an API. Bernard and 88 other people can market-make all these request-for-quotes (RFQs),” Marantelli says. “Some people might come in and just do esports because they’re esports experts. Others do everything. Some focus on same-game parlays. But it’s a sportsbook.”

What is Book Of The Fallen?

Madsen describes Trace2Trace as “a large search engine that continuously crawls websites”.

AI is used, but only towards the end of the process. First, the system gathers objective indicators; AI is then used to assess the overall pattern and probability of a connection. “We only provide evidence-based findings,” Madsen says. “We don’t say that something is a mirror site because we suspect it is. It is only reported when we are 100% confident there is a match.”

The timing is significant. The illegal gambling market is attracting growing attention from regulators and the wider industry, while estimates of its size vary considerably depending on definitions and methodology.

How to play Book Of The Fallen

Dutch MPs have raised similar concerns before. In December 2025, CDA MP Straatman asked the state secretary whether websites advertising as “Beste casino’s zonder Cruks” should be taken offline immediately. 

In a written response published in January 2026, Arno Rutte, the state secretary at the time acknowledged that enforcement against such sites remained limited, particularly for domains not registered under the .nl extension.

According to KVA, KT van Bruggen, the current state secretary for Justice and Security, has pointed out the urgency of implementing effective countermeasures to limit access to such illegal platforms.