Risks of playing at an illegal online casino: Financial, legal, and safety hazards

Risks of playing at an illegal online casino include missing out on payouts, exposure to money laundering and identity fraud, and having to pay gambling tax yourself. Because these providers fall outside the Games of Chance Act, the Gaming Authority offers no protection and CRUKS registration is not enforceable, leaving players completely unprotected against manipulation and addiction.

Financial pitfalls: taxes, fines, and no payout

Playing at an illegal online casino carries direct financial risks, with the player being personally responsible for paying gambling tax to the Tax Authority. Since these providers operate outside the Games of Chance Act, there is no legal recourse if winnings are not paid out. The player thus bears the full tax and operational risk, while the provider remains out of reach.

Do you have to pay tax on winnings at an illegal casino?

Yes, the tax obligation lies entirely with the player. An illegal online casino operates outside the scope of the Dutch tax authorities and does not pay tax on the generated winnings. This means that the Tax Authority will hold the player liable for the payment of gambling tax on the net winnings. The rate is 37.8%, which represents a significant cut of your prize. While legal providers automatically withhold the tax, you must manage this administration yourself. Failure to comply with this obligation can lead to additional tax assessments, while the illegal online casino itself contributes nothing to the Dutch treasury.

Is playing at an illegal online casino punishable by law?

Offering games of chance without a license is punishable under the Games of Chance Act, but for the individual player, the focus is primarily on tax obligations. Although gambling at an illegal online casino is technically prohibited, the Gaming Authority (Ksa) does not actively enforce against players. There are no known cases where players received a criminal record solely for participating. However, the Tax Authority does not look at the legality of the provider, but does demand its share of the winnings. The criminal risks for the player are therefore minimal, but the financial and administrative burden is maximal.

What happens if you do not get paid out?

If you do not receive a payout, you as a player have no legal recourse whatsoever. An illegal online casino does not fall under Dutch consumer law, meaning you cannot turn to the Ksa or the disputes committee. You are on your own. If an illegal online casino refuses to pay, there is no authority that can force the provider to payout. This lack of supervision means that your stake and any potential winnings are completely unprotected, unlike legal market players operating under the strict control of the Games of Chance Act.

Security risks: money laundering, data leaks, and criminal networks

Illegal platforms operate in a legal vacuum, presenting direct dangers to players who think they are gambling safely. Players face direct risks of money laundering, data leaks, and identity fraud, while criminal networks benefit from the lack of control. Without a valid SSL certificate or strict verification, personal data and funds are not secure.

How do illegal casinos facilitate money laundering?

Illegal platforms are often used to launder criminal money due to the absence of strict 'Know Your Customer' controls. The money players deposit can be used directly to finance the illegal activities of criminal networks. In addition, these sites often use Cryptocurrency for fast, anonymous payouts without banking supervision. These Cryptocurrency transactions bypass traditional financial watchdogs, further facilitating money laundering and making it impossible for authorities to trace money flows.

Are your personal details safe on an illegal site?

No, the risk of a data leak and identity fraud is high because these sites often lack a valid SSL certificate or GDPR compliance. Many illegal providers do have professional websites, but the technical security of your personal data and play funds is unclear or absent. As soon as your data is leaked via a data breach, you have no recourse with the Dutch authorities. Identity fraud thus becomes a real danger, as criminals can use your details to cause harm elsewhere.

Are games played fairly without supervision?

Without an audit of the Random Number Generator (RNG) by an independent party, manipulation of winning odds is possible. Legal casinos must have their software certified, but illegal sites often run on unchecked systems. Consequently, players lose more money on average because there is no supervision of fair play and the RTP (Return to Player) is not verified.

Lack of player protection: CRUKS, young people, and addiction

With unlicensed providers, there is no legal safety net, leaving vulnerable players completely to their own devices. Illegal platforms bypass the Games of Chance Act and are not registered with the Central Register for Exclusion of Games of Chance (CRUKS), meaning players cannot appeal to addiction prevention or self-exclusion.

Does CRUKS offer protection at illegal providers?

No, illegal casinos are not registered with CRUKS, which means self-exclusion does not work and play can continue. The CRUKS register is a crucial tool for addiction prevention, but this protection applies exclusively to license holders supervised by the Gaming Authority (Ksa). At illegal sites, you cannot exclude yourself; there is no technical link to this register. This means that players with a gambling problem retain unimpeded access to these platforms, significantly increasing the risk of serious gambling addiction. The Gaming Authority (Ksa) enforces the law against these providers, but as a regulator, it cannot offer direct protection within their systems.

Why are young people extra vulnerable to illegal gambling?

Young people are targeted via influencers and social media by aggressive marketing without age checks or addiction prevention. Illegal providers deliberately target these channels to reach young people, where strict age verifications are often lacking. Influencers act as unintended gatekeepers who normalize the illegal offering, while the Gaming Authority (Ksa) specifically warns of the risks for this vulnerable group. Without the mandatory duty of care of legal casinos, young people remain unprotected against manipulative game mechanics, and any form of intervention for risky behavior is absent.

Where can you find help for gambling problems?

Refer to Loket Kansspel and AGOG for professional help, as illegal sites have no duty of care. Because illegal platforms do not take responsibility for player welfare, you must actively seek external support for gambling addiction yourself. The Gaming Authority (Ksa) does not facilitate support services on these sites, making the link to specialized bodies such as Loket Kansspel essential for recovery.

Recognition and alternatives: licenses and legal options

The biggest difference with legal casinos is the lack of Dutch supervision. Players miss out on the protection of the Gaming Authority and have no right to dispute resolution. Therefore, always choose a licensed operator such as Holland Casino or TOTO, which are guaranteed to comply with the Remote Gambling Act and offer player protection.

How do I know if an online casino is legal in the Netherlands?

To verify whether a provider operates legally, you must check if the casino has a license from the Gaming Authority. This national regulator enforces the Remote Gambling Act and maintains a public register, the Kansspelwijzer, listing all legal options. A legal provider prominently displays the logo of the Gaming Authority and offers mandatory tools for age verification and behavior monitoring. If this license is missing, the platform falls outside Dutch jurisdiction, meaning that in case of issues, you cannot appeal to consumer protection or the Arbitration Committee.

Are casinos with a Curaçao or Malta license safe?

Licenses from Curaçao eGaming or the Malta Gaming Authority offer less protection than a Dutch license and are often not permitted for the Dutch market. Curaçao eGaming uses a flexible model that allows quick market entry, but only checks basic safety and largely leaves bonuses unregulated. A platform with a license from Curaçao eGaming therefore operates under less strict rules than Dutch providers. The Malta Gaming Authority is seen as a respected European regulator that audits software and payouts, but it offers no protection under Dutch law. Players at these international casinos run the risk that their complaints will not be handled via a Dutch ADR and that payment methods like crypto will be used, which is labeled as risky by the Dutch government.

What are the advantages of legal providers such as Holland Casino?

Legal providers such as Holland Casino and TOTO guarantee fair play, fast payouts, and are subject to Dutch supervision. These operators must comply with strict requirements of the Gaming Authority, including offering a safe gaming environment and implementing measures against gambling addiction. Unlike illegal sites, where RNGs (Random Number Generators) are not always independently audited, legal casinos ensure transparent RTP reports and fair odds. Moreover, winnings at legal providers are often fiscally simpler because the provider pays the gambling tax, whereas players at illegal sites may be personally liable for tax and fines.

About this article - editorial guidelines

Author: Sarah Weber - Casino tester & bonus analyst

Fact-checked by: Dr. Markus Hoffmann - Senior iGaming Compliance Analyst

Last updated: 2026-07-17.

This article about "risks of playing at an illegal online casino" was written by Sarah Weber and fact-checked by Dr. Markus Hoffmann. They regularly update the content regarding changes in regulations, licenses, and bonus terms. All references to licenses, regulators, and legislation link to public sources (the local gambling regulator, the applicable local gambling law).

About the author

8+ years of experience reviewing casinos, 200+ personally tested platforms in the EU and worldwide. Former member of the eCOGRA Player Advocacy Program (2018-2022). Specialization: wagering requirements, payout processes, customer service evaluation.

About the reviewer

12+ years of experience in the iGaming industry, including 5 years as compliance advisor for licensed operators in multiple regulated markets. PhD in economic mathematics. Focus areas: bonus mathematics, wagering analysis, and player protection systems.

Responsible gambling

Gambling can be addictive. If you feel you are losing control of your play, please contact the relevant helpline for gambling problems or use the national self-exclusion register (the relevant national self-exclusion register). Set personal limits for deposits and losses BEFORE you play with real money. There are tools for breaks and cooling-off periods to keep play sustainable.

Legal notice

The information in this article is provided solely for editorial and comparison purposes and does not constitute legal advice. Players are responsible for compliance with local regulations.